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APPLEWAY TRAILER COURT

PWS ID: WA5300603 · Tonasket, Washington 98855

APPLEWAY TRAILER COURT serves 54 people in Tonasket, Washington using Groundwater water sources. It has 93 recorded EPA violations, including 18 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: APPLEWAY TRAILER COURT

APPLEWAY TRAILER COURT is a private-owned community water system that delivers drinking water to 54 residents in Tonasket, Washington (Okanogan County) through 18 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 93 total violations for this system , of which 18 (19%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 74 monitoring and reporting violations are on file. The most recent violation on record dates to 2007.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 18 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. APPLEWAY TRAILER COURT's 93 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
54
Total Violations
93
Health-Based Violations
18
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
18
County
Okanogan
School/Daycare
No
MCL Violations
18
Monitoring Violations
74
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 18 2003
Diquat MR 6 2007
Nitrate MR 3 2007
Arsenic MR 3 2005
Fluoride MR 3 2005
Mercury MR 3 2005
Selenium MR 3 2005
Coliform (TCR) MR 3 2006
Barium MR 3 2005
Cadmium MR 3 2005
Chromium MR 3 2005
1,2-DIBROMO-3-CHLOROPROPANE MR 2 2006
ETHYLENE DIBROMIDE MR 2 2006
Pentachlorophenol MR 2 2006
Antimony, Total MR 2 2005
Beryllium, Total MR 2 2005
CYANIDE MR 2 2005
Nickel MR 2 2005
Thallium, Total MR 2 2005
Methoxychlor MR 1 2006
Di(2-ethylhexyl) adipate MR 1 2006
Simazine MR 1 2006
Di(2-ethylhexyl) phthalate MR 1 2006
LASSO MR 1 2006
HEXACHLOROBENZENE MR 1 2006
Dalapon MR 1 2006
Picloram MR 1 2006
Dinoseb MR 1 2006
Aldicarb sulfoxide MR 1 2006
Aldicarb sulfone MR 1 2006

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 APPLEWAY TRAILER COURT.

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 WA5300603 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 APPLEWAY TRAILER COURT 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
2007 Diquat MR 6 SDWIS / WA5300603 / 2032
2007 Nitrate MR 3 SDWIS / WA5300603 / 1040
2006 Coliform (TCR) MR 3 SDWIS / WA5300603 / 3100
2006 1,2-DIBROMO-3-CHLOROPROPANE MR 2 SDWIS / WA5300603 / 2931
2006 ETHYLENE DIBROMIDE MR 2 SDWIS / WA5300603 / 2946
2006 Pentachlorophenol MR 2 SDWIS / WA5300603 / 2326
2006 Methoxychlor MR 1 SDWIS / WA5300603 / 2015
2006 Di(2-ethylhexyl) adipate MR 1 SDWIS / WA5300603 / 2035
2006 Simazine MR 1 SDWIS / WA5300603 / 2037
2006 Di(2-ethylhexyl) phthalate MR 1 SDWIS / WA5300603 / 2039
2006 LASSO MR 1 SDWIS / WA5300603 / 2051
2006 HEXACHLOROBENZENE MR 1 SDWIS / WA5300603 / 2274
2006 Dalapon MR 1 SDWIS / WA5300603 / 2031
2006 Picloram MR 1 SDWIS / WA5300603 / 2040
2006 Dinoseb MR 1 SDWIS / WA5300603 / 2041

How APPLEWAY TRAILER COURT Compares

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

Metric APPLEWAY TRAILER COURT Washington avg Federal benchmark
Total violations 93 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 18 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 54 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 APPLEWAY TRAILER COURT water safe to drink?
APPLEWAY TRAILER COURT (PWS ID: WA5300603) has 93 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 54 people using Groundwater sources.
How many people does APPLEWAY TRAILER COURT serve?
APPLEWAY TRAILER COURT serves 54 people in Tonasket, Washington. It is a Private-owned system using Groundwater water sources with 18 service connections.
What type of violations does APPLEWAY TRAILER COURT have?
APPLEWAY TRAILER COURT has 93 total violations: 18 health-based violations (MCL exceedances or treatment failures), 74 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in APPLEWAY TRAILER COURT water?
No PFAS testing data is available for APPLEWAY TRAILER COURT under the EPA's UCMR5 monitoring program.
What water source does APPLEWAY TRAILER COURT use?
APPLEWAY TRAILER COURT 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.

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