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Community Water System · PWS WA5396601

Whitworth Water District 2

Mead, Washington 99021 - drinking water served from groundwater sources to 26,883 people, tracked in EPA SDWIS and UCMR5.

26,883
People served
434
EPA violations
3
Health-based
4 PFAS
UCMR5 result

The verdict

EPA records 434 drinking-water violations at Whitworth Water District 2, 1% of them health-based - above the Washington per-system average, and UCMR5 testing detected 4 PFAS compounds.

434
Total EPA violations on record
1%
Health-based (MCL / treatment failure)
26,883
People served by this system
4
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Whitworth Water District 2

Whitworth Water District 2 is a local-owned community water system that delivers drinking water to 26,883 residents in Mead, Washington (Spokane County) through 12,270 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 434 total violations for this system , of which 3 (1%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 430 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is p-Dichlorobenzene, recorded in 20 violations (MR). Under EPA's UCMR5 PFAS monitoring program, 4 PFAS compounds were detected in samples collected from this system, with a maximum reported concentration of 5.2 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%).

Whitworth Water District 2's 434 violations sit above 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

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

Population Served
26,883
Total Violations
434
Health-Based Violations
3
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
12,270
County
Spokane
School/Daycare
No
MCL Violations
3
Monitoring Violations
430
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
p-Dichlorobenzene MR 20 2014
trans-1,2-Dichloroethylene MR 20 2014
1,2-Dichloroethane MR 20 2014
1,2-Dichloropropane MR 20 2014
Trichloroethylene MR 20 2014
1,1,2-Trichloroethane MR 20 2014
Tetrachloroethylene MR 20 2014
Benzene MR 20 2014
Styrene MR 20 2014
cis-1,2-Dichloroethylene MR 20 2014
DICHLOROMETHANE MR 20 2014
Vinyl chloride MR 20 2014
CHLOROBENZENE MR 20 2014
Ethylbenzene MR 20 2014
1,1-Dichloroethylene MR 20 2014
Carbon tetrachloride MR 20 2014
Toluene MR 20 2014
1,2,4-Trichlorobenzene MR 20 2014
o-Dichlorobenzene MR 20 2014
1,1,1-Trichloroethane MR 11 2014
Nitrate MR 9 2024
Coliform (TCR) MCL 3 1992
1,2-DIBROMO-3-CHLOROPROPANE MR 2 2006
ETHYLENE DIBROMIDE MR 2 2006
Diquat MR 2 2006
Barium MR 2 2020
Cadmium MR 2 2020
Chromium MR 2 2020
CYANIDE MR 2 2020
Mercury MR 2 2020

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 9 of 522 samples detected PFAS.

Contaminant Date Result MRL Status
HFPO-DA 7/1/2024 <5.00 ppt 5.00 ppt Not Detected
PFBA 7/1/2024 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 7/1/2024 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 7/1/2024 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 7/1/2024 <5.00 ppt 5.00 ppt Not Detected
PFMPA 7/1/2024 <4.00 ppt 4.00 ppt Not Detected
PFEESA 7/1/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpS 7/1/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeS 7/1/2024 <4.00 ppt 4.00 ppt Not Detected
NFDHA 7/1/2024 <20.00 ppt 20.00 ppt Not Detected
PFMBA 7/1/2024 <3.00 ppt 3.00 ppt Not Detected
PFOS 7/1/2024 <4.00 ppt 4.00 ppt Not Detected
ADONA 7/1/2024 <3.00 ppt 3.00 ppt Not Detected
PFTA 7/1/2024 <8.00 ppt 8.00 ppt Not Detected
9Cl-PF3ONS 7/1/2024 <2.00 ppt 2.00 ppt Not Detected
PFDA 7/1/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 7/1/2024 <3.00 ppt 3.00 ppt Not Detected
PFTrDA 7/1/2024 <7.00 ppt 7.00 ppt Not Detected
PFHxS 7/1/2024 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 7/1/2024 <5.00 ppt 5.00 ppt Not Detected
PFNA 7/1/2024 <4.00 ppt 4.00 ppt Not Detected
PFPeA 7/1/2024 <3.00 ppt 3.00 ppt Not Detected
PFBS 7/1/2024 <3.00 ppt 3.00 ppt Not Detected
PFDoA 7/1/2024 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 7/1/2024 <5.00 ppt 5.00 ppt Not Detected
PFUnA 7/1/2024 <2.00 ppt 2.00 ppt Not Detected
NMeFOSAA 7/1/2024 <6.00 ppt 6.00 ppt Not Detected
PFHxA 7/1/2024 <3.00 ppt 3.00 ppt Not Detected
PFOA 7/1/2024 <4.00 ppt 4.00 ppt Not Detected
PFDoA 4/2/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxA 4/2/2024 <3.00 ppt 3.00 ppt Not Detected
PFUnA 4/2/2024 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 4/2/2024 <5.00 ppt 5.00 ppt Not Detected
ADONA 4/2/2024 <3.00 ppt 3.00 ppt Not Detected
PFBA 4/2/2024 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 4/2/2024 <3.00 ppt 3.00 ppt Not Detected
PFDA 4/2/2024 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 4/2/2024 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 4/2/2024 <5.00 ppt 5.00 ppt Not Detected
PFOA 4/2/2024 <4.00 ppt 4.00 ppt Not Detected
PFOS 4/2/2024 <4.00 ppt 4.00 ppt Not Detected
PFNA 4/2/2024 <4.00 ppt 4.00 ppt Not Detected
PFHxS 4/2/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 4/2/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpS 4/2/2024 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 4/2/2024 <2.00 ppt 2.00 ppt Not Detected
NMeFOSAA 4/2/2024 <6.00 ppt 6.00 ppt Not Detected
NEtFOSAA 4/2/2024 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 4/2/2024 <7.00 ppt 7.00 ppt Not Detected
PFTA 4/2/2024 <8.00 ppt 8.00 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 Whitworth Water District 2.

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 WA5396601 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 Whitworth Water District 2 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
2024 Nitrate MR 9 SDWIS / WA5396601 / 1040
2020 Barium MR 2 SDWIS / WA5396601 / 1010
2020 Cadmium MR 2 SDWIS / WA5396601 / 1015
2020 Chromium MR 2 SDWIS / WA5396601 / 1020
2020 CYANIDE MR 2 SDWIS / WA5396601 / 1024
2020 Mercury MR 2 SDWIS / WA5396601 / 1035
2020 Nickel MR 2 SDWIS / WA5396601 / 1036
2020 Selenium MR 2 SDWIS / WA5396601 / 1045
2020 Thallium, Total MR 2 SDWIS / WA5396601 / 1085
2020 Fluoride MR 2 SDWIS / WA5396601 / 1025
2020 Antimony, Total MR 2 SDWIS / WA5396601 / 1074
2020 Beryllium, Total MR 2 SDWIS / WA5396601 / 1075
2020 Nitrite MR 1 SDWIS / WA5396601 / 1041
2020 Arsenic MR 1 SDWIS / WA5396601 / 1005
2014 p-Dichlorobenzene MR 20 SDWIS / WA5396601 / 2969

How Whitworth Water District 2 Compares

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

Metric Whitworth Water District 2 Washington avg Federal benchmark
Total violations 434 69 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 3 4.5 Indicates a contaminant exceeded a federal MCL
PFAS detection 4 compounds 39.7% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 26,883 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 Whitworth Water District 2 water safe to drink?
Whitworth Water District 2 (PWS ID: WA5396601) has 434 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 4 PFAS compounds found. This system serves 26,883 people using Groundwater sources.
How many people does Whitworth Water District 2 serve?
Whitworth Water District 2 serves 26,883 people in Mead, Washington. It is a Local-owned system using Groundwater water sources with 12,270 service connections.
What type of violations does Whitworth Water District 2 have?
Whitworth Water District 2 has 434 total violations: 3 health-based violations (MCL exceedances or treatment failures), 430 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Whitworth Water District 2 water?
Yes. UCMR5 testing detected 4 PFAS compounds in Whitworth Water District 2's water supply: PFPeA, PFOS, PFBS, PFHxA. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does Whitworth Water District 2 use?
Whitworth Water District 2 uses Groundwater 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.
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.