PlainWater

Lamb Weston - Paterson

PWS ID: WA5306152 · Paterson, Washington 99345

Lamb Weston - Paterson serves 250 people in Paterson, Washington using Groundwater water sources. It has 821 recorded EPA violations, including 64 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: Lamb Weston - Paterson

Lamb Weston - Paterson is a private-owned non-transient non-community water system that delivers drinking water to 250 residents in Paterson, Washington (Benton County) through 4 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 821 total violations for this system , of which 64 (8%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 756 monitoring and reporting violations are on file. The most recent violation on record dates to 2018.

The most frequently cited contaminant at this system is Nitrate, recorded in 61 violations (MCL, health-based). 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. Lamb Weston - Paterson's 821 violations sit above 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
250
Total Violations
821
Health-Based Violations
64
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
4
County
Benton
School/Daycare
No
MCL Violations
64
Monitoring Violations
756
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MCL 61 2013
cis-1,2-Dichloroethylene MR 21 2007
DICHLOROMETHANE MR 21 2007
o-Dichlorobenzene MR 21 2007
Vinyl chloride MR 21 2007
trans-1,2-Dichloroethylene MR 21 2007
1,2-Dichloroethane MR 21 2007
1,1,1-Trichloroethane MR 21 2007
Carbon tetrachloride MR 21 2007
Trichloroethylene MR 21 2007
1,1,2-Trichloroethane MR 21 2007
CHLOROBENZENE MR 21 2007
Benzene MR 21 2007
Toluene MR 21 2007
Ethylbenzene MR 21 2007
1,2,4-Trichlorobenzene MR 21 2007
p-Dichlorobenzene MR 21 2007
Tetrachloroethylene MR 21 2007
Styrene MR 21 2007
1,2-Dichloropropane MR 21 2007
1,1-Dichloroethylene MR 21 2007
Pentachlorophenol MR 13 2006
Methoxychlor MR 12 2014
Simazine MR 12 2014
Di(2-ethylhexyl) phthalate MR 12 2014
Hexachlorocyclopentadiene MR 12 2014
Atrazine MR 12 2014
LASSO MR 12 2014
Heptachlor epoxide MR 12 2014
HEXACHLOROBENZENE MR 12 2014

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 Lamb Weston - Paterson.

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 WA5306152 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 Lamb Weston - Paterson 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
2018 TTHM MR 1 SDWIS / WA5306152 / 2950
2018 Total Haloacetic Acids (HAA5) MR 1 SDWIS / WA5306152 / 2456
2017 Revised Total Coliform Rule MON 1 SDWIS / WA5306152 / 8000
2014 Methoxychlor MR 12 SDWIS / WA5306152 / 2015
2014 Simazine MR 12 SDWIS / WA5306152 / 2037
2014 Di(2-ethylhexyl) phthalate MR 12 SDWIS / WA5306152 / 2039
2014 Hexachlorocyclopentadiene MR 12 SDWIS / WA5306152 / 2042
2014 Atrazine MR 12 SDWIS / WA5306152 / 2050
2014 LASSO MR 12 SDWIS / WA5306152 / 2051
2014 Heptachlor epoxide MR 12 SDWIS / WA5306152 / 2067
2014 HEXACHLOROBENZENE MR 12 SDWIS / WA5306152 / 2274
2014 Chlordane MR 12 SDWIS / WA5306152 / 2959
2014 Endrin MR 12 SDWIS / WA5306152 / 2005
2014 BHC-GAMMA MR 12 SDWIS / WA5306152 / 2010
2014 Toxaphene MR 12 SDWIS / WA5306152 / 2020

How Lamb Weston - Paterson Compares

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

Metric Lamb Weston - Paterson Washington avg Federal benchmark
Total violations 821 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 64 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 250 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 Lamb Weston - Paterson water safe to drink?
Lamb Weston - Paterson (PWS ID: WA5306152) has 821 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 250 people using Groundwater sources.
How many people does Lamb Weston - Paterson serve?
Lamb Weston - Paterson serves 250 people in Paterson, Washington. It is a Private-owned system using Groundwater water sources with 4 service connections.
What type of violations does Lamb Weston - Paterson have?
Lamb Weston - Paterson has 821 total violations: 64 health-based violations (MCL exceedances or treatment failures), 756 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Lamb Weston - Paterson water?
No PFAS testing data is available for Lamb Weston - Paterson under the EPA's UCMR5 monitoring program.
What water source does Lamb Weston - Paterson use?
Lamb Weston - Paterson 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.

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