# Private Well After a Wildfire: What to Stop, Check, Flush, and Test

Source: https://brictale.com/water/wells/private-well-after-wildfire
Published: 2026-09-01
Audience: Homeowner
Published by Brictale, a consumer home-intelligence publication. https://brictale.com

## Short answer

Treat a wildfire-affected private well as unverified until it is inspected and tested. Stop drinking immediately if pressure was lost, water spurts, equipment or plastic is charred or melted, or fuel or chemical contamination is possible. Keep power off around damaged equipment, use bottled water, document the site, then coordinate a licensed well professional, septic professional when needed, the health department, and a certified laboratory before repair, flushing, disinfection, or reuse.

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# Private Well After a Wildfire: What to Stop, Check, Flush, and Test

If wildfire reached your property, treat the private well and connected plumbing as unverified until they have been inspected and the water has been tested. Use bottled water for drinking, cooking, brushing teeth, ice, and anything else that could be swallowed. If there was a fuel or chemical spill, a burned or melted well component, a damaged septic system, or a loss of pressure, use the more conservative branch below: stop household water use, keep power off around damaged equipment, and call the local or state health department before trying to flush or disinfect.

The safe order is:

1. Protect people and preserve evidence.
2. Decide whether the well lost pressure or still has steady flow.
3. Observe damage from a safe location without touching energized equipment, opening the well, or entering a well pit.
4. Have qualified professionals repair or clear hazards.
5. Flush and disinfect only when the well, plumbing route, and septic system can accept that work.
6. Test through a certified laboratory using a scope matched to what happened.
7. Keep using an alternate water source until the health department, laboratory, and responsible professional agree that the result is usable for the intended purpose.

This is a decision surface, not a permit, laboratory order, electrical procedure, or release-to-use certificate. Wildfire conditions vary by state and by property. The [CDC wildfire well guidance](https://www.cdc.gov/environmental-health-services/php/water/private-wells-after-a-wildfire.html) specifically directs private well owners to their local health department for conditions-based help.

That homeowner need for a separate inspection-and-testing path is also reflected in [Purdue University's wildfire recovery resources](https://engineering.purdue.edu/PlumbingSafety/resources/wildfire-response), which separates private-well inspection and testing from safe-water decisions and advises fire-affected households to seek local health-department guidance.

## 1. Make the first decision: stop, isolate, or observe

Start with the highest-risk observation you already have. You do not need to diagnose the pump, identify a melted polymer, or prove contamination before choosing bottled water.

| What you know or can safely observe | Water decision now | Next call or handoff |
|---|---|---|
| Fuel, solvent, pesticide, chemical, or strong petroleum odor; a spill, tank failure, or burned chemical storage nearby | Stop all household water use as a conservative default. Do not drink, bathe, cook, brush teeth, make ice, or run appliances from the well until local authorities advise. Do not try to fix this with boiling or chlorine. | Health department or environmental agency first; certified laboratory to define the chemical panel; spill or fuel professional as needed |
| Wellhead, cap, casing, wiring, conduit, pump, pressure tank, plastic pipe, treatment equipment, storage tank, or well house is charred, melted, cracked, leaking, or missing | Use bottled water and keep people away from the equipment. Do not touch wires, restore power, open the well, pull the pump, or open pressurized equipment. | Licensed well or pump contractor; electrician or power company for electrical damage; health department and lab |
| Septic riser, cleanout, vent, drain-field inspection port, or pipe is melted or damaged; vehicles crossed the drain field; sewage may have reversed into the home | Stop or sharply limit water use. Keep people and pets away from the septic area. Do not send flush water into the septic system. | Septic professional, health department, and well professional |
| No power or a faucet produces air spurts or interrupted flow | Do not drink. A loss of pressure can allow contamination, even if power has since returned. | Health department, licensed well or pump contractor, and electrician if equipment or wiring is involved |
| Power and steady flow remain, but water smells smoky, burnt, earthy, tastes different, or looks discolored | Do not drink until tested. Only consider a controlled flush after the damage and septic branches are cleared and the flow is steady and uninterrupted. | Health department, well professional, certified laboratory |
| No visible damage, no pressure loss, and no sensory change | Do not treat this as proof of safety. Document the site and arrange post-fire testing because fire conditions and repairs can change the risk without a detectable odor or color. | Health department or environmental agency and certified laboratory |

The [CDC says a wildfire can leave private well water unsafe for drinking and other purposes](https://www.cdc.gov/environmental-health-services/php/water/private-wells-after-a-wildfire.html). That is why “it looks clear” is not a release decision. In the same guidance, CDC notes that loss of pressure, damaged components, synthetic materials, and heavy fire damage can change the testing response. Your senses are useful for triage; they are not a chemical test.

{{visual:wildfire-well-first-branch}}

### What “stop all use” means

For a possible fuel or chemical release, treat every tap as connected to the suspect system. Use bottled or otherwise approved alternate water for drinking, food preparation, brushing teeth, ice, medication, infant formula, and pets. If the odor is chemical or petroleum-like, do not use the water for bathing, showering, laundry, dishwashing, or cleaning until the health department gives a use instruction. Volatile chemicals can create an inhalation or skin-contact concern, and [CDC warns that fuel- or toxic-chemical-contaminated water is not made safe by boiling or disinfection](https://www.cdc.gov/water-emergency/about/how-to-disinfect-wells-after-an-emergency.html).

For bacteria-only concerns, a local authority may give different instructions for non-drinking uses. Do not create a broader national rule from a local notice. Record the notice, the person who gave it, the date, and exactly which uses were allowed.

## 2. Separate pressure loss from steady pressure

Pressure is a branch point because a fire can damage power, piping, pump controls, or connections while leaving the well itself looking intact. Pressure can also be lost when a pipe breaks or the system draws air. [CDC recommends checking a faucet even if power has returned](https://www.cdc.gov/environmental-health-services/php/water/private-wells-after-a-wildfire.html).

Do only this safe observation if the building and electrical system are safe to enter:

1. Use a faucet inside the home, without disassembling anything.
2. Note whether water comes out at all.
3. Watch for air spurts, pulsing, or an interrupted stream rather than steady flow.
4. Stop. Do not repeatedly cycle the pump or open a control box to find out why.

Intermittent spurting is a pressure-loss signal in the CDC wildfire branch. No water may also mean no power, an empty or damaged pressure system, a closed valve, a broken line, or a pump problem; it is not enough information to identify the failed part. Steady water flow means only that the system is pressurized at that moment. It does not show that the water is chemically safe.

If the property is still without power, do not improvise a generator connection. A [CDC emergency-well guide says a licensed well contractor, electrician, or power company should determine the appropriate generator size](https://www.cdc.gov/environmental-health-services/php/water/private-wells-after-a-wildfire.html). A generator must stay outdoors and at least 20 feet from doors, windows, and vents under that CDC guidance. Never run it in a garage, shed, crawlspace, basement, or near an opening, even with a door open.

### The electrical boundary

A homeowner can photograph a burned conduit from a safe distance. A homeowner should not handle the wire, touch a damaged casing, test live wiring, or open an energized control box. That means no testing live wiring and no opening an energized control box to see whether the system works; do not reset a damaged breaker or restore pump power as a diagnostic experiment. Turn off power to the pump only when you can do so safely from an intact, known-safe disconnect; if you cannot verify that, wait for a qualified electrician or well contractor.

Do not enter a well pit. Gases and vapors can accumulate there, and [CDC specifically identifies a well pit as a confined-space hazard after an emergency](https://www.cdc.gov/water-emergency/about/how-to-disinfect-wells-after-an-emergency.html). Do not pull a pump, open a well, manipulate a pressure tank, remove a pressure switch cover, or work below grade. Those actions require training and equipment that a post-fire property may not safely provide.

## 3. Inspect the risk zones without turning inspection into repair

The goal of the first visit is to preserve observations and identify the right professional, not to make the system usable. Take photographs and notes from outside the hazard area. Do not clean away ash, cut out pipe, discard a melted component, or restart equipment before the insurer, health department, lab, and repair professional have the evidence they need.

The [CDC rapid assessment form](https://www.cdc.gov/environmental-health-services/php/water/assessment-form-wells-wildfires.html) organizes observations around the well cap, surface-water entry, rubber seals, wiring, PVC or HDPE liner and pipe, pressure tank, well house, treatment equipment, storage tanks, pressure, odor, and indoor leaks. Use those categories as a homeowner evidence checklist, not as permission to perform an official inspection.

### Wellhead and casing

From a safe location, record whether the cap is present, cracked, displaced, or visibly melted; whether ash, debris, animals, or runoff could enter; and whether the ground around the well is eroded, cracked, or covered by fire debris. A missing cap is an entry route, but an intact cap does not prove that heat did not affect components below it.

Do not lift the cap or open the casing. Do not put a hand, camera, tool, or sampling bottle into the well. If surface water can enter, note the direction of runoff and photograph it. Ask the well contractor whether the sanitary seal, casing, pitless adapter, liner, and below-ground connections need inspection.

### Wiring, controls, and pump

Look for charring, melted insulation, displaced conduit, broken connectors, burned smells, exposed conductors, or a control enclosure that has moved or burned. Note whether the pump runs, but do not start it just to obtain that observation. A pump that still runs can have hidden wiring or component damage.

The repair assignment is specific: an electrician or power company evaluates the electrical supply and controls; a well or pump contractor evaluates pump, wiring within the well system, pressure equipment, piping, and well operation. One trade may need the other’s findings before power is restored.

### Plastic, rubber, pressure tank, and treatment equipment

Wildfire-specific guidance calls out PVC, HDPE, and rubber because fire can damage synthetic components and the damage may not be obvious through smell or appearance. Look for melted or blistered pipe, deformed fittings, burned rubber seals, a pressure tank exposed to high heat, a cracked filter housing, a damaged softener, a nonoperating chlorinator, or a burned electronic control. Photograph labels and model numbers without opening the equipment.

Do not assume a replacement cartridge, carbon filter, softener, ultraviolet unit, or whole-house device will make unknown wildfire contamination safe. [EPA explains that treatment depends on the contaminant, concentration, and condition of the well, and that a new water source or well may sometimes be needed](https://www.epa.gov/privatewells/protect-your-homes-water). A treatment device is not a substitute for identifying the contaminant and protecting the plumbing from a damaged upstream component.

{{visual:wellhead-equipment-risk-cutaway}}

### Fuel, chemical, and fire-suppression clues

Map aboveground and underground fuel tanks, propane, pesticides, solvents, household chemicals, generators, vehicles, burned outbuildings, and any spill or fire-suppression staging area. Note the approximate location, date observed, odor, color, and direction of runoff. Do not sample a spill yourself unless the health department or a qualified environmental professional gives you a safe, documented procedure.

The [CDC wildfire guidance directs homeowners to work with a certified lab and local authorities when petroleum or other chemical contamination is possible](https://www.cdc.gov/environmental-health-services/php/water/private-wells-after-a-wildfire.html). Write “unknown chemical risk” rather than guessing that a smell is gasoline, diesel, plastic, or chlorine. The lab needs a factual description, not a homeowner’s identification of a compound.

### Septic system and drain field

Inspect only from a safe distance. Record melted PVC risers, covers, cleanouts, vent pipes, drain-field inspection ports, exposed or broken lines, vehicle tracks, ash or debris, standing sewage, and damage where the sewer pipe enters the home. A damaged connection can create reverse flow into the building. Keep children and pets away.

If the septic system is damaged, do not solve the well problem by sending more water through it. [CDC advises discontinuing or limiting household water use and contacting a septic professional when the septic system is damaged](https://www.cdc.gov/environmental-health-services/php/water/private-wells-after-a-wildfire.html). This branch changes the flushing plan: the outside faucet is not automatically a safe discharge point, and the septic system may need its own inspection before any large water volume is introduced.

## 4. Use the correct recovery sequence: repair, outside flush, disinfection, retest

The order matters because flushing can pull suspect water into the building, disinfection cannot repair melted equipment, and a sample taken while chlorine remains can be invalid. Oregon’s post-wildfire recovery sequence is a useful state example: assess, protect, repair or replace components, re-pressurize or refill where directed, flush, treat microbial contamination, and test through an accredited laboratory. [Oregon Health Authority presents that sequence as program guidance, not a national rule](https://www.oregon.gov/oha/PH/HEALTHYENVIRONMENTS/DRINKINGWATER/SOURCEWATER/DOMESTICWELLSAFETY/Pages/WildfireImpacted-Domestic-Well-Testing.aspx).

{{visual:safe-flush-route}}

### Stage A: document and isolate

Keep everyone on bottled water. Label the well and household taps “Do not use” if other people, cleaners, tenants, or contractors might turn them on. Photograph the wellhead, pump controls, pressure tank, treatment equipment, pipe damage, septic area, spill area, and water at a tap if it is safe to collect a photograph. Record the date, time, recent power interruptions, whether the faucet spurted, whether flow was steady, and whether odor or color changed.

Close or isolate downstream treatment equipment only if a professional or the equipment manual gives you a safe, clearly identified valve action. Do not turn valves randomly. Do not open filter housings or pressure equipment that may be pressurized.

### Stage B: qualified inspection and repair

Have the well or pump contractor inspect the well system and have an electrician evaluate damaged electrical components. If the septic branch is positive, add a septic professional before planning any flushing. If a chemical spill exists, add the health or environmental agency and lab before choosing a test panel or disposal route.

The repair milestone is not “the pump turns on.” It is “the responsible professional has identified and corrected the hazards relevant to this system.” That may include wellhead protection, wiring, pump controls, damaged piping, pressure equipment, treatment components, storage tanks, and building plumbing. Ask for a written description of what was inspected, what was replaced, and what remains unknown.

### Stage C: controlled outdoor flushing

Only flush after the professional and local authority agree that the system is safe to operate and the receiving area can handle the water. The [CDC emergency-well instructions use the outside faucet closest to the well to drain potentially contaminated water and keep it out of interior plumbing](https://www.cdc.gov/water-emergency/about/how-to-disinfect-wells-after-an-emergency.html). That is a routing principle, not a universal authorization to discharge water anywhere.

Before flow begins, confirm that the septic system will not receive the water, the discharge will not reach a stream, pond, drinking-water source, neighbor, or sensitive vegetation, and local authorities have not required special handling for VOCs or SVOCs. Stop if the flow is not steady, if odor intensifies, if a leak appears, or if water begins entering the building.

For a steady-pressure case with no chemical spill and no component damage, CDC says to flush water lines until odor is gone and color returns to normal, with steady uninterrupted flow, while still keeping residents from drinking until testing. Do not convert “the odor went away” into “the water is safe.” The CDC notes that lack of odor does not mean the water is unaffected.

### Stage D: disinfection only for the branch it can address

Disinfection targets microbial contamination. It is not a cure for an unknown fuel, solvent, plastic-thermal-degradation, or metals problem. If the well has burned plastic, a chemical spill, a damaged pressure tank, or uncertain equipment, obtain the testing and local direction before deciding that chlorination is appropriate.

CDC says well or pump contractors should disinfect emergency-affected wells because of safety concerns, and that local authorities should be consulted. If a professional directs disinfection, keep at least a 24-hour safe-water supply. Well water is not drinkable during the procedure. The CDC procedure for drilled or driven wells includes an outside flush, unscented household bleach, a minimum 12-hour contact period, draining chlorinated water outdoors away from vegetation and open water, and indoor flushing. Follow the current [CDC step-by-step disinfection instructions](https://www.cdc.gov/water-emergency/about/how-to-disinfect-wells-after-an-emergency.html) and any stricter state instructions rather than estimating a dose from memory.

Do not mix bleach with acids, ammonia, fuels, or other cleaners. Wear the protective equipment and ventilation specified by the instruction set. Never pour chemicals into a damaged or open electrical system. A homeowner who cannot identify the well type, water depth, casing diameter, bleach concentration, valves, discharge route, or electrical isolation should hand the work to a professional.

### Stage E: wait, sample, and retest

Chlorine must be flushed out before sampling. CDC advises waiting at least 7–10 days after disinfection before sampling, while recognizing that local programs and laboratories may specify a different sequence. The result to preserve is not simply “passed.” Save the sample date, sample location, laboratory, method or panel, sample ID, chain-of-custody or submission record if used, result units, detection limits, and any comparison standard.

EPA advises immediate testing after a significant change near the well, repair or replacement of a well component, or a change in odor, color, or taste. [EPA also directs homeowners to certified drinking-water laboratories and public-health officials when results exceed health standards](https://www.epa.gov/privatewells/protect-your-homes-water). A negative bacteria result does not answer an untested VOC, SVOC, fuel, or metals question.

## 5. Match the test scope to the evidence

There is no single national “wildfire well test” that fits every private system. Start with the incident facts, then let the local health department and certified laboratory translate those facts into sample bottles, preservation, methods, and collection timing. Ask the lab whether it is certified for each requested drinking-water analysis in your state; certification for one analyte or method does not automatically mean certification for every panel.

| Evidence from your property | Testing conversation to have | What the result cannot prove by itself |
|---|---|---|
| Pressure loss, air spurts, or interrupted flow | Bacteria at minimum; ask whether VOCs, SVOCs, and local contaminants are warranted, especially with high fire damage or synthetic components | It cannot identify the failed pump, wiring, or pipe, or prove the system is mechanically repaired |
| Melted or charred PVC, HDPE, rubber, liner, pressure tank, well-house, or treatment equipment | Bacteria plus a broader VOC/SVOC and local-contaminant discussion with the lab and health department; consider metals based on local guidance | Clear water or no odor cannot rule out contamination from damaged materials |
| Fuel, petroleum, pesticide, solvent, or chemical spill | Ask the health or environmental agency and certified lab to choose petroleum and other chemical analyses based on the material and pathway | Boiling, chlorination, or a generic carbon filter does not establish safety for an unknown chemical mixture |
| Fire-affected area with state-specific program guidance | Use the state panel as a starting point, not as a national mandate. Oregon, for example, lists arsenic, nitrate, bacteria, lead, and BTEX depending on damage assessment | Oregon’s panel does not automatically apply to another state or incident |
| Repair or replacement of pump, piping, wellhead, or other component | Test after repair, with sample location and timing chosen with the lab; compare before and after results when useful | A repair invoice is not a water-quality result |
| Septic damage or possible reverse flow | Coordinate septic inspection and the health department before flushing or sampling; determine whether separate septic or wastewater testing is needed | A well sample alone cannot certify a damaged septic system or building plumbing |

{{visual:wildfire-testing-scope-matrix}}

CDC’s wildfire page names bacteria as the minimum in the pressure-loss and abnormal-water branches and calls for VOC, SVOC, and other local testing when damage, synthetic materials, or fire impact is high. It also suggests heavy-metals testing such as lead, copper, zinc, and iron based on local concerns. [Read the CDC testing considerations in context](https://www.cdc.gov/environmental-health-services/php/water/private-wells-after-a-wildfire.html), because its examples do not create a universal laboratory order.

### Sample location and stagnation

Tell the laboratory whether the sample is from the wellhead, an outside faucet, a treatment-system bypass, or an indoor tap. The location changes what the sample represents. A wellhead sample may help characterize source water; an indoor tap may show what has passed through pressure equipment, treatment, and building plumbing. Ask the lab which location and preparation it requires for the question you are trying to answer.

CDC advises allowing stagnation time before sampling because it can help detect contaminants that leached from impacted plastic plumbing. Do not invent a stagnation period: ask the lab and health department for the required interval, then record when water use stopped and when the bottle was filled. Do not sample while chlorine remains unless the lab specifically instructs you to do so.

### Read the report without over-reading it

Look for the analyte list, method, reporting limit, result, units, and comparison basis. “Not detected” means not detected at that method’s reporting limit in that sample; it does not mean no chemical exists anywhere in the system. A result below an EPA community-water standard is not automatically a private-well release decision, especially if the sample did not cover the suspected contaminant or came from a different location.

If anything is above a health-based comparison, if the report has qualifiers, or if the lab says the sample was compromised, stop and ask the health department and lab what to do next. EPA recommends contacting public health officials when results exceed health standards and retesting to confirm presence and concentration. Do not choose a treatment device from a search result before the contaminant, concentration, flow demand, and plumbing location are understood.

## 6. Build a recovery record that another person can use

Wildfire recovery fails when the homeowner, lab, insurer, health department, and repair professional each hold a different version of the event. Keep one dated folder, paper or digital, with the following checklist.

### Site and event record

- Incident name or fire identifier, if known; fire date and date you returned.
- Property address, well address if different, well type and depth if known, and whether the well serves other buildings.
- Power status before, during, and after the fire; generator use; pressure observations; whether the faucet spurted.
- Water odor, color, taste, clarity, and the first time each changed. Do not taste suspect water to check it.
- Photos from safe locations: well cap and casing, controls, wiring, pump area, pressure tank, plastic or rubber components, treatment equipment, storage tanks, indoor leaks, septic area, and spills.

### People and decisions

- Health department or environmental agency contact, date, name, phone, advice, and allowed or prohibited uses.
- Well or pump contractor name, license or certification details where applicable, inspection date, findings, and repair scope.
- Electrician or power-company contact, electrical clearance, and date power was restored.
- Septic professional contact, septic findings, water-use limits, and discharge instructions.
- Insurer claim number, adjuster contact, photographs requested, and components retained or discarded.

### Laboratory record

- Laboratory name and state certification status for the requested analyses.
- Lab instructions for sample location, bottle, preservation, stagnation, shipping, and holding time.
- Sample date, time, location, sampler, sample ID, requested panel, methods, reporting limits, and result units.
- Any field notes about chlorine residual, flushing, odor, color, pressure, and treatment bypass.
- Follow-up samples, agency interpretation, and the date and person who authorized each intended use.

This packet is evidence, not an official inspection form. It helps a professional see what changed and reduces repeated site visits. The [CDC assessment resource](https://www.cdc.gov/environmental-health-services/php/water/assessment-form-wells-wildfires.html) is designed for environmental-health practitioners; borrow its observation categories, but do not sign it or present your notes as a government clearance.

{{visual:evidence-handoff-record}}

## 7. Know when the well is ready for the next use

The return-to-use decision should be specific. “The water is fine now” is too vague. Ask: safe for what use, based on which sample, from which location, after which repair, under whose guidance, and for how long?

Before drinking or cooking with the water, confirm all of the following for your situation:

- The health department or local environmental authority has provided any incident-specific instruction you need.
- Electrical, pump, wellhead, pressure, piping, treatment, and septic hazards have been addressed by the responsible professionals.
- Any chemical or fuel pathway has been evaluated; you have not relied on boiling, chlorination, or a generic filter to solve an unknown chemical risk.
- The well and connected plumbing were flushed through an approved route without drawing suspect water into the building or overloading the septic system.
- If disinfection was used, the contact period and chlorine flush were completed and the laboratory’s sample timing was followed.
- The test panel covers the observed risks, the sample was accepted by the laboratory, and results are interpreted with the appropriate local authority.
- Any follow-up or repeat sampling has been scheduled when the incident, repairs, or local guidance calls for it.

If a component remains damaged, a test was too narrow, the sample was invalid, an odor returns, pressure changes again, or water use causes new leaks, revert to bottled water and reopen the professional branch. A single clear glass and a single negative test cannot overcome an unresolved damage pathway.

The practical rule is simple: use observations to choose the branch, use qualified people to make the system safe to operate, use the laboratory to answer a defined water-quality question, and use the health department to interpret local risk. That sequence is what turns a burned well from an uncertain household hazard into a documented recovery decision.

## Evidence

- [Private Wells after a Wildfire | CDC](https://www.cdc.gov/environmental-health-services/php/water/private-wells-after-a-wildfire.html) — National wildfire-specific public-health guidance. Supports treating a fire-affected well as potentially contaminated and deferring to local health-department conditions; it does not create a universal state rule.
- [Private Wells after a Wildfire | CDC](https://www.cdc.gov/environmental-health-services/php/water/private-wells-after-a-wildfire.html) — National wildfire-specific guidance. Applies to the CDC's faucet observation and stop-drinking branch; it is not a pressure-tank diagnosis.
- [Private Wells after a Wildfire | CDC](https://www.cdc.gov/environmental-health-services/php/water/private-wells-after-a-wildfire.html) — National wildfire-specific testing scope. The exact panel, methods, and release criteria remain state-, lab-, and incident-specific.
- [Private Wells after a Wildfire | CDC](https://www.cdc.gov/environmental-health-services/php/water/private-wells-after-a-wildfire.html) — National wildfire-specific electrical safety boundary. It supports visual observation from a safe location and professional assignment, not homeowner live testing.
- [Private Wells after a Wildfire | CDC](https://www.cdc.gov/environmental-health-services/php/water/private-wells-after-a-wildfire.html) — National wildfire-specific guidance for fire-damaged well components. It does not say that every plastic component must be replaced or that a particular treatment device will make water safe.
- [Private Wells after a Wildfire | CDC](https://www.cdc.gov/environmental-health-services/php/water/private-wells-after-a-wildfire.html) — National wildfire-specific coordination and septic-safety guidance. The stop-use decision is a conservative response for suspected septic damage and must be coordinated locally.
- [Private Wells after a Wildfire | CDC](https://www.cdc.gov/environmental-health-services/php/water/private-wells-after-a-wildfire.html) — National wildfire-specific flushing caution. It supports sequencing and routing decisions, not a universal flushing duration or discharge authorization.
- [How to Disinfect Wells After an Emergency | CDC](https://www.cdc.gov/water-emergency/about/how-to-disinfect-wells-after-an-emergency.html) — National emergency-well disinfection guidance. CDC says well or pump contractors should perform disinfection because of safety concerns and that local authorities should be consulted; the timing is not a universal laboratory release rule.
- [How to Disinfect Wells After an Emergency | CDC](https://www.cdc.gov/water-emergency/about/how-to-disinfect-wells-after-an-emergency.html) — National emergency-well and generator safety guidance. The 20-foot generator distance is CDC guidance for generator placement; electrical sizing and well-system compatibility require qualified professionals.
- [Emergencies, Disasters, and Wells | Oregon Health Authority](https://www.oregon.gov/oha/PH/HEALTHYENVIRONMENTS/DRINKINGWATER/SOURCEWATER/DOMESTICWELLSAFETY/Pages/WildfireImpacted-Domestic-Well-Testing.aspx) — Oregon program guidance and a clearly labeled state-specific example. It is not a nationwide mandatory panel or licensing rule.
- [Protect Your Home's Water | US EPA](https://www.epa.gov/privatewells/protect-your-homes-water) — EPA national private-well guidance. It does not establish private-well regulation or a wildfire-specific clearance threshold for every state.
- [Protect Your Home's Water | US EPA](https://www.epa.gov/privatewells/protect-your-homes-water) — EPA national private-well treatment guidance. It supports deferring treatment selection until the contaminant and concentration are known, not a blanket statement that treatment never works.
- [Rapid Assessment Form for Wells after Wildfires | CDC](https://www.cdc.gov/environmental-health-services/php/water/assessment-form-wells-wildfires.html) — CDC assessment resource for environmental-health practitioners. This article adapts its observation categories for homeowner documentation and does not present the article's checklist as an official inspection form.
- [Response and Recovery to Wildfires | Purdue University Center for Plumbing Safety](https://engineering.purdue.edu/PlumbingSafety/resources/wildfire-response) — University resource hub and linked household guidance. It provides context for the inspection/testing decision surface; it does not replace state health-department or laboratory instructions.
