PlainWater

EDWALL WATER ASSN

PWS ID: WA5322550 · Edwall, Washington 99008

EDWALL WATER ASSN serves 170 people in Edwall, Washington using Groundwater water sources. It has 14 recorded EPA violations, including 1 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: EDWALL WATER ASSN

EDWALL WATER ASSN is a private-owned community water system that delivers drinking water to 170 residents in Edwall, Washington (Lincoln County) through 37 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 14 total violations for this system , of which 1 (7%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 12 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 5 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

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. EDWALL WATER ASSN's 14 violations sit below the Washington average. Statewide, 98 of 247 UCMR5-tested systems have reported PFAS detections (39.7%). 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
170
Total Violations
14
Health-Based Violations
1
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
37
County
Lincoln
School/Daycare
No
MCL Violations
1
Monitoring Violations
12
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 5 2015
Revised Total Coliform Rule MON 4 2022
Consumer Confidence Rule Other 1 2013
Diquat MR 1 2008
ETHYLENE DIBROMIDE MR 1 2008
Coliform (TCR) MCL 1 1992
1,2-DIBROMO-3-CHLOROPROPANE MR 1 2008

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 EDWALL WATER ASSN.

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 WA5322550 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 EDWALL WATER ASSN 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
2022 Revised Total Coliform Rule MON 4 SDWIS / WA5322550 / 8000
2015 Coliform (TCR) MR 5 SDWIS / WA5322550 / 3100
2013 Consumer Confidence Rule Other 1 SDWIS / WA5322550 / 7000
2008 Diquat MR 1 SDWIS / WA5322550 / 2032
2008 ETHYLENE DIBROMIDE MR 1 SDWIS / WA5322550 / 2946
2008 1,2-DIBROMO-3-CHLOROPROPANE MR 1 SDWIS / WA5322550 / 2931
1992 Coliform (TCR) MCL 1 SDWIS / WA5322550 / 3100

How EDWALL WATER ASSN Compares

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

Metric EDWALL WATER ASSN Washington avg Federal benchmark
Total violations 14 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 1 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 170 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is EDWALL WATER ASSN water safe to drink?
EDWALL WATER ASSN (PWS ID: WA5322550) has 14 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 170 people using Groundwater sources.
How many people does EDWALL WATER ASSN serve?
EDWALL WATER ASSN serves 170 people in Edwall, Washington. It is a Private-owned system using Groundwater water sources with 37 service connections.
What type of violations does EDWALL WATER ASSN have?
EDWALL WATER ASSN has 14 total violations: 1 health-based violations (MCL exceedances or treatment failures), 12 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in EDWALL WATER ASSN water?
No PFAS testing data is available for EDWALL WATER ASSN under the EPA's UCMR5 monitoring program.
What water source does EDWALL WATER ASSN use?
EDWALL WATER ASSN 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.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial