Settlement eligibility & deadlines

For NAVAL AIR STATION/WHIDBEY ISLAND (PWSID WA5303420) — NAS Whidbey Island, WA · serving 16,595 people

Eligibility unclear

We don't see UCMR 5 detections above the federal MCL on file for NAVAL AIR STATION/WHIDBEY ISLAND. Many systems still qualify under broader Phase 2 criteria or via state monitoring data not yet in our database. Review the deadlines below; the settlement administrator makes the final eligibility call.

PFAS compounds detected: 0 · Max PFOA: — ppt · Max PFOS: — ppt

Three cliffs this summer

Settlement funds totaling more than $13.6B close to public water systems in sequence. Missing a deadline forfeits your system's share of that fund — permanently.

DuPont / Chemours / Corteva4 days

Action Fund Claims

Due June 30, 2026 · Fund: $1.185B

Phase 2 water systems (those serving >3,300 people, or those that detected PFAS more recently) must submit Action Fund claim forms covering remediation and treatment costs.

If you miss it: Forfeit your system's share of the DuPont/Chemours/Corteva treatment fund.

Open the claims portal →

3M Phase 2 Action Fund35 days

Treatment & remediation cost claims

Due July 31, 2026 · Fund: $10.5–12.5B

Public water systems with confirmed PFAS detections must file via the official PFAS Water Settlement portal. The fund is the largest PFAS settlement pool in U.S. history.

If you miss it: Forfeit your share of the 3M settlement and waive future direct-action rights against 3M for PFAS.

Open the claims portal →

Special Needs Fund (3M & DuPont)36 days

Applications for disadvantaged / under-resourced systems

Due August 1, 2026 · Fund: Discretionary

Supplemental fund for systems facing capacity, affordability, or technical barriers. Documentation burden is highest but eligibility is broader than the main funds.

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Claim documentation checklist

Print this page (or save as PDF from your browser) and bring it to your next operations or engineering meeting.

1. System identification

PWSID (Public Water System ID)
Legal name of the water system operator (utility, municipality, district)
Service area population and number of connections
Source water type (groundwater, surface water, mixed)

2. PFAS detection evidence

UCMR 5 sampling results (all rounds) — PFOA, PFOS, PFHxS, PFNA, GenX, PFBS
Any state-mandated PFAS sampling results (state primacy agency reports)
Independent or pre-rule monitoring data (utility's own historical samples)
Chain-of-custody records and lab certifications (EPA Methods 533, 537.1, or 1633)

3. Treatment cost documentation

Existing treatment capital cost (GAC, ion exchange, RO/NF) — invoices, contracts
Annual O&M cost for PFAS treatment (media changeouts, energy, disposal)
Engineering studies and treatability evaluations
Pilot test reports if applicable

4. Source attribution & impact

Identified upstream PFAS sources (AFFF sites, industrial dischargers, landfills)
Distance to known contamination sites (EPA ECHO, state inventories)