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TIMBERLINE MOBILE HOME PARK

PWS ID: WA5388386 · Port Orchard, Washington 98366

TIMBERLINE MOBILE HOME PARK serves 240 people in Port Orchard, Washington using Groundwater water sources. It has 122 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: TIMBERLINE MOBILE HOME PARK

TIMBERLINE MOBILE HOME PARK is a private-owned community water system that delivers drinking water to 240 residents in Port Orchard, Washington (Spokane County) through 108 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 122 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 112 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 Coliform (TCR), recorded in 7 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. TIMBERLINE MOBILE HOME PARK's 122 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
240
Total Violations
122
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
108
County
Spokane
School/Daycare
No
MCL Violations
0
Monitoring Violations
112
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 7 2014
Consumer Confidence Rule Other 6 2015
Arsenic MR 4 2005
Barium MR 4 2005
Cadmium MR 4 2005
Fluoride MR 4 2005
Mercury MR 4 2005
Chromium MR 4 2005
Selenium MR 4 2005
CYANIDE MR 3 2005
Beryllium, Total MR 3 2005
Pentachlorophenol MR 3 2008
Nickel MR 3 2005
Antimony, Total MR 3 2005
Thallium, Total MR 3 2005
BHC-GAMMA MR 2 2008
Methoxychlor MR 2 2008
Toxaphene MR 2 2008
Simazine MR 2 2008
Di(2-ethylhexyl) phthalate MR 2 2008
Hexachlorocyclopentadiene MR 2 2008
Atrazine MR 2 2008
LASSO MR 2 2008
Heptachlor MR 2 2008
Heptachlor epoxide MR 2 2008
Benzo(a)pyrene MR 2 2008
Di(2-ethylhexyl) adipate MR 2 2008
HEXACHLOROBENZENE MR 2 2008
Revised Total Coliform Rule MON 2 2018
Nitrate MR 2 2017

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 TIMBERLINE 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 WA5388386 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 TIMBERLINE 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
2018 Revised Total Coliform Rule MON 2 SDWIS / WA5388386 / 8000
2017 Nitrate MR 2 SDWIS / WA5388386 / 1040
2015 Consumer Confidence Rule Other 6 SDWIS / WA5388386 / 7000
2014 Coliform (TCR) MR 7 SDWIS / WA5388386 / 3100
2008 Pentachlorophenol MR 3 SDWIS / WA5388386 / 2326
2008 BHC-GAMMA MR 2 SDWIS / WA5388386 / 2010
2008 Methoxychlor MR 2 SDWIS / WA5388386 / 2015
2008 Toxaphene MR 2 SDWIS / WA5388386 / 2020
2008 Simazine MR 2 SDWIS / WA5388386 / 2037
2008 Di(2-ethylhexyl) phthalate MR 2 SDWIS / WA5388386 / 2039
2008 Hexachlorocyclopentadiene MR 2 SDWIS / WA5388386 / 2042
2008 Atrazine MR 2 SDWIS / WA5388386 / 2050
2008 LASSO MR 2 SDWIS / WA5388386 / 2051
2008 Heptachlor MR 2 SDWIS / WA5388386 / 2065
2008 Heptachlor epoxide MR 2 SDWIS / WA5388386 / 2067

How TIMBERLINE MOBILE HOME PARK Compares

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

Metric TIMBERLINE MOBILE HOME PARK Washington avg Federal benchmark
Total violations 122 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 240 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 TIMBERLINE MOBILE HOME PARK water safe to drink? ▼
TIMBERLINE MOBILE HOME PARK (PWS ID: WA5388386) has 122 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 240 people using Groundwater sources.
How many people does TIMBERLINE MOBILE HOME PARK serve? ▼
TIMBERLINE MOBILE HOME PARK serves 240 people in Port Orchard, Washington. It is a Private-owned system using Groundwater water sources with 108 service connections.
What type of violations does TIMBERLINE MOBILE HOME PARK have? ▼
TIMBERLINE MOBILE HOME PARK has 122 total violations: 0 health-based violations (MCL exceedances or treatment failures), 112 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in TIMBERLINE MOBILE HOME PARK water? ▼
No PFAS testing data is available for TIMBERLINE MOBILE HOME PARK under the EPA's UCMR5 monitoring program.
What water source does TIMBERLINE MOBILE HOME PARK use? ▼
TIMBERLINE 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.

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

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