PlainWater

FOREST GROVE MOBILE HOME PARK

PWS ID: WA5325934 · Arlington, Washington 98223

FOREST GROVE MOBILE HOME PARK serves 51 people in Arlington, Washington using Groundwater water sources. It has 112 recorded EPA violations, including 5 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: FOREST GROVE MOBILE HOME PARK

FOREST GROVE MOBILE HOME PARK is a private-owned community water system that delivers drinking water to 51 residents in Arlington, Washington (Snohomish County) through 26 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 112 total violations for this system , of which 5 (4%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 105 monitoring and reporting violations are on file. The most recent violation on record dates to 2019.

The most frequently cited contaminant at this system is Nitrate, recorded in 16 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. FOREST GROVE MOBILE HOME PARK's 112 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
51
Total Violations
112
Health-Based Violations
5
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
26
County
Snohomish
School/Daycare
No
MCL Violations
5
Monitoring Violations
105
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 16 2019
Diquat MR 10 2008
ETHYLENE DIBROMIDE MR 7 2008
1,2-DIBROMO-3-CHLOROPROPANE MR 7 2008
Barium MR 5 2008
Cadmium MR 5 2008
Fluoride MR 5 2008
Mercury MR 5 2008
Selenium MR 5 2008
Arsenic MR 5 2008
Chromium MR 5 2008
Coliform (TCR) MR 5 2015
Coliform (TCR) MCL 5 2005
CYANIDE MR 4 2008
Antimony, Total MR 4 2008
Thallium, Total MR 4 2008
Beryllium, Total MR 4 2008
Nickel MR 4 2008
Lead and Copper Rule MR 3 2010
Revised Total Coliform Rule MON 1 2016
Gross Alpha, Excl. Radon and U MR 1 1979
Consumer Confidence Rule Other 1 1999

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 FOREST GROVE MOBILE HOME PARK.

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 WA5325934 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 FOREST GROVE MOBILE HOME PARK 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
2019 Nitrate MR 16 SDWIS / WA5325934 / 1040
2016 Revised Total Coliform Rule MON 1 SDWIS / WA5325934 / 8000
2015 Coliform (TCR) MR 5 SDWIS / WA5325934 / 3100
2010 Lead and Copper Rule MR 3 SDWIS / WA5325934 / 5000
2008 Diquat MR 10 SDWIS / WA5325934 / 2032
2008 ETHYLENE DIBROMIDE MR 7 SDWIS / WA5325934 / 2946
2008 1,2-DIBROMO-3-CHLOROPROPANE MR 7 SDWIS / WA5325934 / 2931
2008 Barium MR 5 SDWIS / WA5325934 / 1010
2008 Cadmium MR 5 SDWIS / WA5325934 / 1015
2008 Fluoride MR 5 SDWIS / WA5325934 / 1025
2008 Mercury MR 5 SDWIS / WA5325934 / 1035
2008 Selenium MR 5 SDWIS / WA5325934 / 1045
2008 Arsenic MR 5 SDWIS / WA5325934 / 1005
2008 Chromium MR 5 SDWIS / WA5325934 / 1020
2008 CYANIDE MR 4 SDWIS / WA5325934 / 1024

How FOREST GROVE MOBILE HOME PARK Compares

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

Metric FOREST GROVE MOBILE HOME PARK Washington avg Federal benchmark
Total violations 112 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 5 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 51 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 FOREST GROVE MOBILE HOME PARK water safe to drink?
FOREST GROVE MOBILE HOME PARK (PWS ID: WA5325934) has 112 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 51 people using Groundwater sources.
How many people does FOREST GROVE MOBILE HOME PARK serve?
FOREST GROVE MOBILE HOME PARK serves 51 people in Arlington, Washington. It is a Private-owned system using Groundwater water sources with 26 service connections.
What type of violations does FOREST GROVE MOBILE HOME PARK have?
FOREST GROVE MOBILE HOME PARK has 112 total violations: 5 health-based violations (MCL exceedances or treatment failures), 105 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in FOREST GROVE MOBILE HOME PARK water?
No PFAS testing data is available for FOREST GROVE MOBILE HOME PARK under the EPA's UCMR5 monitoring program.
What water source does FOREST GROVE MOBILE HOME PARK use?
FOREST GROVE MOBILE HOME PARK 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.

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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