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OLD ORCHARD ESTATES WATER SYSTEM

PWS ID: WA5307748 · Tonasket, Washington 98855-9433

OLD ORCHARD ESTATES WATER SYSTEM serves 86 people in Tonasket, Washington using Groundwater water sources. It has 35 recorded EPA violations, including 1 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: OLD ORCHARD ESTATES WATER SYSTEM

OLD ORCHARD ESTATES WATER SYSTEM is a private-owned community water system that delivers drinking water to 86 residents in Tonasket, Washington (Okanogan County) through 29 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 35 total violations for this system , of which 1 (3%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 34 monitoring and reporting violations are on file. The most recent violation on record dates to 2006.

The most frequently cited contaminant at this system is Barium, recorded in 3 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. OLD ORCHARD ESTATES WATER SYSTEM's 35 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
86
Total Violations
35
Health-Based Violations
1
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
29
County
Okanogan
School/Daycare
No
MCL Violations
1
Monitoring Violations
34
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Barium MR 3 2002
CYANIDE MR 3 2002
Fluoride MR 3 2002
Mercury MR 3 2002
Selenium MR 3 2002
Thallium, Total MR 3 2002
Nickel MR 3 2002
Beryllium, Total MR 3 2002
Cadmium MR 3 2002
Chromium MR 3 2002
Antimony, Total MR 3 2002
Coliform (TCR) MR 1 1998
Coliform (TCR) MCL 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 OLD ORCHARD ESTATES WATER SYSTEM.

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 WA5307748 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 OLD ORCHARD ESTATES WATER SYSTEM 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
2006 Coliform (TCR) MCL 1 SDWIS / WA5307748 / 3100
2002 Barium MR 3 SDWIS / WA5307748 / 1010
2002 CYANIDE MR 3 SDWIS / WA5307748 / 1024
2002 Fluoride MR 3 SDWIS / WA5307748 / 1025
2002 Mercury MR 3 SDWIS / WA5307748 / 1035
2002 Selenium MR 3 SDWIS / WA5307748 / 1045
2002 Thallium, Total MR 3 SDWIS / WA5307748 / 1085
2002 Nickel MR 3 SDWIS / WA5307748 / 1036
2002 Beryllium, Total MR 3 SDWIS / WA5307748 / 1075
2002 Cadmium MR 3 SDWIS / WA5307748 / 1015
2002 Chromium MR 3 SDWIS / WA5307748 / 1020
2002 Antimony, Total MR 3 SDWIS / WA5307748 / 1074
1998 Coliform (TCR) MR 1 SDWIS / WA5307748 / 3100

How OLD ORCHARD ESTATES WATER SYSTEM Compares

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

Metric OLD ORCHARD ESTATES WATER SYSTEM Washington avg Federal benchmark
Total violations 35 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 86 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 OLD ORCHARD ESTATES WATER SYSTEM water safe to drink?
OLD ORCHARD ESTATES WATER SYSTEM (PWS ID: WA5307748) has 35 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 86 people using Groundwater sources.
How many people does OLD ORCHARD ESTATES WATER SYSTEM serve?
OLD ORCHARD ESTATES WATER SYSTEM serves 86 people in Tonasket, Washington. It is a Private-owned system using Groundwater water sources with 29 service connections.
What type of violations does OLD ORCHARD ESTATES WATER SYSTEM have?
OLD ORCHARD ESTATES WATER SYSTEM has 35 total violations: 1 health-based violations (MCL exceedances or treatment failures), 34 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in OLD ORCHARD ESTATES WATER SYSTEM water?
No PFAS testing data is available for OLD ORCHARD ESTATES WATER SYSTEM under the EPA's UCMR5 monitoring program.
What water source does OLD ORCHARD ESTATES WATER SYSTEM use?
OLD ORCHARD ESTATES WATER SYSTEM 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