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MOUNT PLEASANT SCHOOL

PWS ID: WA5356527 · Port Orchard, Washington 98366

MOUNT PLEASANT SCHOOL serves 72 people in Port Orchard, Washington using Groundwater water sources. It has 40 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: MOUNT PLEASANT SCHOOL

MOUNT PLEASANT SCHOOL is a private-owned non-transient non-community water system that delivers drinking water to 72 residents in Port Orchard, Washington (Skamania County) through 2 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 40 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 38 monitoring and reporting violations are on file. The most recent violation on record dates to 2016.

The most frequently cited contaminant at this system is Diquat, recorded in 5 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. MOUNT PLEASANT SCHOOL's 40 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
72
Total Violations
40
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
2
County
Skamania
School/Daycare
No
MCL Violations
0
Monitoring Violations
38
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Diquat MR 5 2005
1,2,4-Trichlorobenzene MR 1 2008
o-Dichlorobenzene MR 1 2008
Vinyl chloride MR 1 2008
1,1-Dichloroethylene MR 1 2008
trans-1,2-Dichloroethylene MR 1 2008
Carbon tetrachloride MR 1 2008
1,2-Dichloropropane MR 1 2008
Trichloroethylene MR 1 2008
1,1,2-Trichloroethane MR 1 2008
Benzene MR 1 2008
Fluoride MR 1 2002
Mercury MR 1 2002
Selenium MR 1 2002
Antimony, Total MR 1 2002
Beryllium, Total MR 1 2002
Thallium, Total MR 1 2002
Barium MR 1 2002
Toluene MR 1 2008
Styrene MR 1 2008
1,1,1-Trichloroethane MR 1 2008
1,2-Dichloroethane MR 1 2008
Ethylbenzene MR 1 2008
Chromium MR 1 2002
DICHLOROMETHANE MR 1 2008
Tetrachloroethylene MR 1 2008
CYANIDE MR 1 2002
p-Dichlorobenzene MR 1 2008
Cadmium MR 1 2002
Nickel MR 1 2002

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 MOUNT PLEASANT SCHOOL.

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 WA5356527 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 MOUNT PLEASANT SCHOOL 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
2016 Nitrate MR 1 SDWIS / WA5356527 / 1040
2015 Coliform (TCR) MR 1 SDWIS / WA5356527 / 3100
2008 1,2,4-Trichlorobenzene MR 1 SDWIS / WA5356527 / 2378
2008 o-Dichlorobenzene MR 1 SDWIS / WA5356527 / 2968
2008 Vinyl chloride MR 1 SDWIS / WA5356527 / 2976
2008 1,1-Dichloroethylene MR 1 SDWIS / WA5356527 / 2977
2008 trans-1,2-Dichloroethylene MR 1 SDWIS / WA5356527 / 2979
2008 Carbon tetrachloride MR 1 SDWIS / WA5356527 / 2982
2008 1,2-Dichloropropane MR 1 SDWIS / WA5356527 / 2983
2008 Trichloroethylene MR 1 SDWIS / WA5356527 / 2984
2008 1,1,2-Trichloroethane MR 1 SDWIS / WA5356527 / 2985
2008 Benzene MR 1 SDWIS / WA5356527 / 2990
2008 Toluene MR 1 SDWIS / WA5356527 / 2991
2008 Styrene MR 1 SDWIS / WA5356527 / 2996
2008 1,1,1-Trichloroethane MR 1 SDWIS / WA5356527 / 2981

How MOUNT PLEASANT SCHOOL Compares

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

Metric MOUNT PLEASANT SCHOOL Washington avg Federal benchmark
Total violations 40 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 72 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 MOUNT PLEASANT SCHOOL water safe to drink?
MOUNT PLEASANT SCHOOL (PWS ID: WA5356527) has 40 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 72 people using Groundwater sources.
How many people does MOUNT PLEASANT SCHOOL serve?
MOUNT PLEASANT SCHOOL serves 72 people in Port Orchard, Washington. It is a Private-owned system using Groundwater water sources with 2 service connections.
What type of violations does MOUNT PLEASANT SCHOOL have?
MOUNT PLEASANT SCHOOL has 40 total violations: 0 health-based violations (MCL exceedances or treatment failures), 38 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in MOUNT PLEASANT SCHOOL water?
No PFAS testing data is available for MOUNT PLEASANT SCHOOL under the EPA's UCMR5 monitoring program.
What water source does MOUNT PLEASANT SCHOOL use?
MOUNT PLEASANT SCHOOL 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