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Community Water System · PWS WA5325200

Firgrove Mutual Inc

Puyallup, Washington 98374 - drinking water served from surface water sources to 36,168 people, tracked in EPA SDWIS and UCMR5.

36,168
People served
30
EPA violations
16
Health-based
3 PFAS
UCMR5 result

The verdict

EPA records 30 drinking-water violations at Firgrove Mutual Inc, 53% of them health-based - below the Washington per-system average, and UCMR5 testing detected 3 PFAS compounds.

30
Total EPA violations on record
53%
Health-based (MCL / treatment failure)
36,168
People served by this system
3
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Firgrove Mutual Inc

Firgrove Mutual Inc is a private-owned community water system that delivers drinking water to 36,168 residents in Puyallup, Washington (Pierce County) through 13,317 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 30 total violations for this system , of which 16 (53%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 10 monitoring and reporting violations are on file. The most recent violation on record dates to 2006.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 16 violations (MCL, health-based). Under EPA's UCMR5 PFAS monitoring program, 3 PFAS compounds were detected in samples collected from this system, with a maximum reported concentration of 8.6 ppt (parts per trillion). PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

Across Washington, EPA tracks 4,557 public water systems serving 9,736,844 people, with 314,648 cumulative violations and 20,590 health-based violations on record. About 92% of systems in the state carry at least one violation, and state-wide the average per system is 69 violations. Statewide, 98 of 247 UCMR5-tested systems have reported PFAS detections (39.7%).

Firgrove Mutual Inc's 30 violations sit below the Washington average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

PFAS Detected

3 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
36,168
Total Violations
30
Health-Based Violations
16
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Private
Connections
13,317
County
Pierce
School/Daycare
No
MCL Violations
16
Monitoring Violations
10
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 16 1995
Nitrate MR 8 2006
Coliform (TCR) MR 1 1994
Gross Alpha, Excl. Radon and U MR 1 1979

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 8 of 783 samples detected PFAS.

Contaminant Date Result MRL Status
11Cl-PF3OUdS 9/20/2023 <5.00 ppt 5.00 ppt Not Detected
PFBA 9/20/2023 <5.00 ppt 5.00 ppt Not Detected
PFBS 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxS 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFNA 9/20/2023 <4.00 ppt 4.00 ppt Not Detected
PFOS 9/20/2023 <4.00 ppt 4.00 ppt Not Detected
PFOA 9/20/2023 <4.00 ppt 4.00 ppt Not Detected
PFDA 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxA 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFUnA 9/20/2023 <2.00 ppt 2.00 ppt Not Detected
ADONA 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 9/20/2023 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 9/20/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 9/20/2023 <5.00 ppt 5.00 ppt Not Detected
PFMPA 9/20/2023 <4.00 ppt 4.00 ppt Not Detected
PFPeA 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFEESA 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
NFDHA 9/20/2023 <20.00 ppt 20.00 ppt Not Detected
PFPeS 9/20/2023 <4.00 ppt 4.00 ppt Not Detected
PFHpS 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 9/20/2023 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 9/20/2023 <5.00 ppt 5.00 ppt Not Detected
8:2 FTS 9/20/2023 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 9/20/2023 <2.00 ppt 2.00 ppt Not Detected
ADONA 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 9/20/2023 <5.00 ppt 5.00 ppt Not Detected
PFBA 9/20/2023 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 9/20/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFMPA 9/20/2023 <4.00 ppt 4.00 ppt Not Detected
PFPeA 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFEESA 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
NFDHA 9/20/2023 <20.00 ppt 20.00 ppt Not Detected
PFDoA 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpS 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeS 9/20/2023 <4.00 ppt 4.00 ppt Not Detected
PFBS 9/20/2023 3.70 ppt 3.00 ppt Detected
PFHpA 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFNA 9/20/2023 <4.00 ppt 4.00 ppt Not Detected
PFOS 9/20/2023 <4.00 ppt 4.00 ppt Not Detected
PFOA 9/20/2023 <4.00 ppt 4.00 ppt Not Detected
PFDA 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFUnA 9/20/2023 <2.00 ppt 2.00 ppt Not Detected
PFHxA 9/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxS 9/20/2023 <3.00 ppt 3.00 ppt Not Detected

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Firgrove Mutual Inc.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID WA5325200 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Washington Drinking Water Authority

Washington State Department of Health, Office of Drinking Water is the primacy agency that licenses and inspects Firgrove Mutual Inc under EPA-delegated authority.

Open WA regulator portal

Source: Washington State Department of Health, Office of Drinking Water

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2006 Nitrate MR 8 SDWIS / WA5325200 / 1040
1995 Coliform (TCR) MCL 16 SDWIS / WA5325200 / 3100
1994 Coliform (TCR) MR 1 SDWIS / WA5325200 / 3100
1979 Gross Alpha, Excl. Radon and U MR 1 SDWIS / WA5325200 / 4000

How Firgrove Mutual Inc Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Firgrove Mutual Inc Washington avg Federal benchmark
Total violations 30 69 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 16 4.5 Indicates a contaminant exceeded a federal MCL
PFAS detection 3 compounds 39.7% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 36,168 2,137 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 4,557 regulated public water systems in Washington.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Firgrove Mutual Inc water safe to drink? ▼
Firgrove Mutual Inc (PWS ID: WA5325200) has 30 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 3 PFAS compounds found. This system serves 36,168 people using Surface Water sources.
How many people does Firgrove Mutual Inc serve? ▼
Firgrove Mutual Inc serves 36,168 people in Puyallup, Washington. It is a Private-owned system using Surface Water water sources with 13,317 service connections.
What type of violations does Firgrove Mutual Inc have? ▼
Firgrove Mutual Inc has 30 total violations: 16 health-based violations (MCL exceedances or treatment failures), 10 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Firgrove Mutual Inc water? ▼
Yes. UCMR5 testing detected 3 PFAS compounds in Firgrove Mutual Inc's water supply: PFBS, PFOA, PFOS. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does Firgrove Mutual Inc use? ▼
Firgrove Mutual Inc uses Surface Water as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.