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Willamette Egg Farms - Moses Lake

PWS ID: WA5301536 · Waverly, Washington 99039

Willamette Egg Farms - Moses Lake serves 44 people in Waverly, Washington using Groundwater water sources. It has 29 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: Willamette Egg Farms - Moses Lake

Willamette Egg Farms - Moses Lake is a private-owned non-transient non-community water system that delivers drinking water to 44 residents in Waverly, Washington (Grant County) through 21 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 29 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 29 monitoring and reporting violations are on file. The most recent violation on record dates to 2020.

The most frequently cited contaminant at this system is CYANIDE, recorded in 2 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. Willamette Egg Farms - Moses Lake's 29 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
44
Total Violations
29
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
21
County
Grant
School/Daycare
No
MCL Violations
0
Monitoring Violations
29
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
CYANIDE MR 2 2014
Mercury MR 2 2014
Nickel MR 2 2014
Selenium MR 2 2014
Antimony, Total MR 2 2014
Barium MR 2 2014
Cadmium MR 2 2014
Chromium MR 2 2014
Fluoride MR 2 2014
Nitrite MR 2 2014
Thallium, Total MR 2 2014
Beryllium, Total MR 2 2014
Arsenic MR 2 2014
Nitrate MR 1 2020
Lead and Copper Rule MR 1 2016
Coliform (TCR) MR 1 2016

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 Willamette Egg Farms - Moses Lake.

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 WA5301536 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 Willamette Egg Farms - Moses Lake 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
2020 Nitrate MR 1 SDWIS / WA5301536 / 1040
2016 Lead and Copper Rule MR 1 SDWIS / WA5301536 / 5000
2016 Coliform (TCR) MR 1 SDWIS / WA5301536 / 3100
2014 CYANIDE MR 2 SDWIS / WA5301536 / 1024
2014 Mercury MR 2 SDWIS / WA5301536 / 1035
2014 Nickel MR 2 SDWIS / WA5301536 / 1036
2014 Selenium MR 2 SDWIS / WA5301536 / 1045
2014 Antimony, Total MR 2 SDWIS / WA5301536 / 1074
2014 Barium MR 2 SDWIS / WA5301536 / 1010
2014 Cadmium MR 2 SDWIS / WA5301536 / 1015
2014 Chromium MR 2 SDWIS / WA5301536 / 1020
2014 Fluoride MR 2 SDWIS / WA5301536 / 1025
2014 Nitrite MR 2 SDWIS / WA5301536 / 1041
2014 Thallium, Total MR 2 SDWIS / WA5301536 / 1085
2014 Beryllium, Total MR 2 SDWIS / WA5301536 / 1075

How Willamette Egg Farms - Moses Lake Compares

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

Metric Willamette Egg Farms - Moses Lake Washington avg Federal benchmark
Total violations 29 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 44 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 Willamette Egg Farms - Moses Lake water safe to drink? ▼
Willamette Egg Farms - Moses Lake (PWS ID: WA5301536) has 29 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 44 people using Groundwater sources.
How many people does Willamette Egg Farms - Moses Lake serve? ▼
Willamette Egg Farms - Moses Lake serves 44 people in Waverly, Washington. It is a Private-owned system using Groundwater water sources with 21 service connections.
What type of violations does Willamette Egg Farms - Moses Lake have? ▼
Willamette Egg Farms - Moses Lake has 29 total violations: 0 health-based violations (MCL exceedances or treatment failures), 29 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Willamette Egg Farms - Moses Lake water? ▼
No PFAS testing data is available for Willamette Egg Farms - Moses Lake under the EPA's UCMR5 monitoring program.
What water source does Willamette Egg Farms - Moses Lake use? ▼
Willamette Egg Farms - Moses Lake uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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.

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

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

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