PlainWater

Community Water System · PWS WA5393353

Spo Co Water Dist 3 Sys 3

Spokane, Washington 99212 - drinking water served from groundwater sources to 3,765 people, tracked in EPA SDWIS and UCMR5.

3,765
People served
271
EPA violations
0
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 271 drinking-water violations at Spo Co Water Dist 3 Sys 3 - above the Washington per-system average.

271
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
3,765
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Spo Co Water Dist 3 Sys 3

Spo Co Water Dist 3 Sys 3 is a local-owned community water system that delivers drinking water to 3,765 residents in Spokane, Washington (Spokane County) through 1,587 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 271 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 271 monitoring and reporting violations are on file. The most recent violation on record dates to 2007.

The most frequently cited contaminant at this system is Diquat, recorded in 22 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

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%).

Spo Co Water Dist 3 Sys 3's 271 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.

Population Served
3,765
Total Violations
271
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
1,587
County
Spokane
School/Daycare
No
MCL Violations
0
Monitoring Violations
271
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Diquat MR 22 2007
Pentachlorophenol MR 16 2007
Aldicarb sulfoxide MR 8 2007
Aldicarb sulfone MR 8 2007
Aldicarb MR 8 2007
BHC-GAMMA MR 8 2007
Toxaphene MR 8 2007
Di(2-ethylhexyl) adipate MR 8 2007
Di(2-ethylhexyl) phthalate MR 8 2007
Hexachlorocyclopentadiene MR 8 2007
Atrazine MR 8 2007
LASSO MR 8 2007
Chlordane MR 8 2007
Dalapon MR 8 2007
Picloram MR 8 2007
Dinoseb MR 8 2007
Endrin MR 8 2007
Heptachlor MR 8 2007
Heptachlor epoxide MR 8 2007
HEXACHLOROBENZENE MR 8 2007
Benzo(a)pyrene MR 8 2007
OXAMYL MR 8 2007
2,4,5-TP MR 8 2007
Methoxychlor MR 8 2007
Simazine MR 8 2007
Carbofuran MR 8 2007
1,1-Dichloroethylene MR 2 2007
cis-1,2-Dichloroethylene MR 2 2007
1,2-Dichloropropane MR 2 2007
Tetrachloroethylene MR 2 2007

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 116 samples detected PFAS.

Contaminant Date Result MRL Status
PFPeS 7/22/2024 <4.00 ppt 4.00 ppt Not Detected
PFPeA 7/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFDoA 7/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxA 7/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFUnA 7/22/2024 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 7/22/2024 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 7/22/2024 <2.00 ppt 2.00 ppt Not Detected
ADONA 7/22/2024 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 7/22/2024 <5.00 ppt 5.00 ppt Not Detected
PFBA 7/22/2024 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 7/22/2024 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 7/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFBS 7/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFMPA 7/22/2024 <4.00 ppt 4.00 ppt Not Detected
NMeFOSAA 7/22/2024 <6.00 ppt 6.00 ppt Not Detected
PFDA 7/22/2024 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 7/22/2024 <5.00 ppt 5.00 ppt Not Detected
8:2 FTS 7/22/2024 <5.00 ppt 5.00 ppt Not Detected
PFTA 7/22/2024 <8.00 ppt 8.00 ppt Not Detected
PFMBA 7/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFOA 7/22/2024 <4.00 ppt 4.00 ppt Not Detected
PFOS 7/22/2024 <4.00 ppt 4.00 ppt Not Detected
PFNA 7/22/2024 <4.00 ppt 4.00 ppt Not Detected
PFHxS 7/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 7/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpS 7/22/2024 <3.00 ppt 3.00 ppt Not Detected
NFDHA 7/22/2024 <20.00 ppt 20.00 ppt Not Detected
PFEESA 7/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFTrDA 7/22/2024 <7.00 ppt 7.00 ppt Not Detected
PFMPA 7/22/2024 <4.00 ppt 4.00 ppt Not Detected
PFHpS 7/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeS 7/22/2024 <4.00 ppt 4.00 ppt Not Detected
PFBA 7/22/2024 <5.00 ppt 5.00 ppt Not Detected
NFDHA 7/22/2024 <20.00 ppt 20.00 ppt Not Detected
PFTA 7/22/2024 <8.00 ppt 8.00 ppt Not Detected
PFPeA 7/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxA 7/22/2024 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 7/22/2024 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 7/22/2024 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 7/22/2024 <5.00 ppt 5.00 ppt Not Detected
PFNA 7/22/2024 <4.00 ppt 4.00 ppt Not Detected
PFUnA 7/22/2024 <2.00 ppt 2.00 ppt Not Detected
PFMBA 7/22/2024 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 7/22/2024 <6.00 ppt 6.00 ppt Not Detected
PFHxS 7/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 7/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFEESA 7/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFBS 7/22/2024 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 7/22/2024 <5.00 ppt 5.00 ppt Not Detected
NEtFOSAA 7/22/2024 <5.00 ppt 5.00 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 Spo Co Water Dist 3 Sys 3.

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 WA5393353 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 Spo Co Water Dist 3 Sys 3 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
2007 Diquat MR 22 SDWIS / WA5393353 / 2032
2007 Pentachlorophenol MR 16 SDWIS / WA5393353 / 2326
2007 Aldicarb sulfoxide MR 8 SDWIS / WA5393353 / 2043
2007 Aldicarb sulfone MR 8 SDWIS / WA5393353 / 2044
2007 Aldicarb MR 8 SDWIS / WA5393353 / 2047
2007 BHC-GAMMA MR 8 SDWIS / WA5393353 / 2010
2007 Toxaphene MR 8 SDWIS / WA5393353 / 2020
2007 Di(2-ethylhexyl) adipate MR 8 SDWIS / WA5393353 / 2035
2007 Di(2-ethylhexyl) phthalate MR 8 SDWIS / WA5393353 / 2039
2007 Hexachlorocyclopentadiene MR 8 SDWIS / WA5393353 / 2042
2007 Atrazine MR 8 SDWIS / WA5393353 / 2050
2007 LASSO MR 8 SDWIS / WA5393353 / 2051
2007 Chlordane MR 8 SDWIS / WA5393353 / 2959
2007 Dalapon MR 8 SDWIS / WA5393353 / 2031
2007 Picloram MR 8 SDWIS / WA5393353 / 2040

How Spo Co Water Dist 3 Sys 3 Compares

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

Metric Spo Co Water Dist 3 Sys 3 Washington avg Federal benchmark
Total violations 271 69 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 4.5 Indicates a contaminant exceeded a federal MCL
PFAS detection None 39.7% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 3,765 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 Spo Co Water Dist 3 Sys 3 water safe to drink?
Spo Co Water Dist 3 Sys 3 (PWS ID: WA5393353) has 271 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 3,765 people using Groundwater sources.
How many people does Spo Co Water Dist 3 Sys 3 serve?
Spo Co Water Dist 3 Sys 3 serves 3,765 people in Spokane, Washington. It is a Local-owned system using Groundwater water sources with 1,587 service connections.
What type of violations does Spo Co Water Dist 3 Sys 3 have?
Spo Co Water Dist 3 Sys 3 has 271 total violations: 0 health-based violations (MCL exceedances or treatment failures), 271 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Spo Co Water Dist 3 Sys 3 water?
No. Spo Co Water Dist 3 Sys 3 was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Spo Co Water Dist 3 Sys 3 use?
Spo Co Water Dist 3 Sys 3 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.