PlainWater

JR SIMPLOT CO

PWS ID: WA5311174 · Moses Lake, Washington 98837

JR SIMPLOT CO serves 365 people in Moses Lake, Washington using Groundwater water sources. It has 59 recorded EPA violations, including 1 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: JR SIMPLOT CO

JR SIMPLOT CO is a private-owned non-transient non-community water system that delivers drinking water to 365 residents in Moses Lake, Washington (Grant County) through 11 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 59 total violations for this system , of which 1 (2%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 55 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 Lead and Copper Rule, recorded in 11 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. JR SIMPLOT CO's 59 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
365
Total Violations
59
Health-Based Violations
1
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
11
County
Grant
School/Daycare
No
MCL Violations
1
Monitoring Violations
55
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 11 2007
Coliform (TCR) MR 6 1999
Diquat MR 5 2005
Nitrate MR 5 2020
Picloram MR 3 2016
Dinoseb MR 3 2016
2,4,5-TP MR 3 2016
Pentachlorophenol MR 3 2016
Dalapon MR 3 2016
Cadmium MR 1 2020
CYANIDE MR 1 2020
Mercury MR 1 2020
Beryllium, Total MR 1 2020
Thallium, Total MR 1 2020
Fluoride MR 1 2020
Chromium MR 1 2020
Coliform (TCR) MCL 1 2005
Selenium MR 1 2020
Nitrite MR 1 2020
Barium MR 1 2020
Nickel MR 1 2020
Antimony, Total MR 1 2020
Arsenic MR 1 2020

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 JR SIMPLOT CO.

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 WA5311174 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 JR SIMPLOT CO 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 5 SDWIS / WA5311174 / 1040
2020 Cadmium MR 1 SDWIS / WA5311174 / 1015
2020 CYANIDE MR 1 SDWIS / WA5311174 / 1024
2020 Mercury MR 1 SDWIS / WA5311174 / 1035
2020 Beryllium, Total MR 1 SDWIS / WA5311174 / 1075
2020 Thallium, Total MR 1 SDWIS / WA5311174 / 1085
2020 Fluoride MR 1 SDWIS / WA5311174 / 1025
2020 Chromium MR 1 SDWIS / WA5311174 / 1020
2020 Selenium MR 1 SDWIS / WA5311174 / 1045
2020 Nitrite MR 1 SDWIS / WA5311174 / 1041
2020 Barium MR 1 SDWIS / WA5311174 / 1010
2020 Nickel MR 1 SDWIS / WA5311174 / 1036
2020 Antimony, Total MR 1 SDWIS / WA5311174 / 1074
2020 Arsenic MR 1 SDWIS / WA5311174 / 1005
2016 Picloram MR 3 SDWIS / WA5311174 / 2040

How JR SIMPLOT CO Compares

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

Metric JR SIMPLOT CO Washington avg Federal benchmark
Total violations 59 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 365 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 JR SIMPLOT CO water safe to drink?
JR SIMPLOT CO (PWS ID: WA5311174) has 59 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 365 people using Groundwater sources.
How many people does JR SIMPLOT CO serve?
JR SIMPLOT CO serves 365 people in Moses Lake, Washington. It is a Private-owned system using Groundwater water sources with 11 service connections.
What type of violations does JR SIMPLOT CO have?
JR SIMPLOT CO has 59 total violations: 1 health-based violations (MCL exceedances or treatment failures), 55 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in JR SIMPLOT CO water?
No PFAS testing data is available for JR SIMPLOT CO under the EPA's UCMR5 monitoring program.
What water source does JR SIMPLOT CO use?
JR SIMPLOT CO 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.

Related

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