PlainWater
States → Washington

STEVENS CO PUD - SUNCREST

PWS ID: WA5385202 · Loon Lake, Washington 99148

STEVENS CO PUD - SUNCREST serves 7,484 people in Loon Lake, Washington using Groundwater water sources. It has 496 recorded EPA violations, including 6 health-based violations. PFAS "forever chemicals" were detected in UCMR5 testing (3 compounds found).

Water Quality Snapshot: STEVENS CO PUD - SUNCREST

STEVENS CO PUD - SUNCREST is a local-owned community water system that delivers drinking water to 7,484 residents in Loon Lake, Washington (Stevens County) through 2,205 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 496 total violations for this system , of which 6 (1%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 490 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Diquat, recorded in 22 violations (MR). Under EPA's UCMR5 PFAS monitoring program, 3 PFAS compounds were detected in samples collected from this system, with a maximum reported concentration of 13.2 ppt. PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

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. STEVENS CO PUD - SUNCREST's 496 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.

PFAS Detected

3 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
7,484
Total Violations
496
Health-Based Violations
6
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
2,205
County
Stevens
School/Daycare
No
MCL Violations
6
Monitoring Violations
490
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Diquat MR 22 2007
cis-1,2-Dichloroethylene MR 15 2008
p-Dichlorobenzene MR 15 2008
1,1,1-Trichloroethane MR 15 2008
1,2-Dichloropropane MR 15 2008
Trichloroethylene MR 15 2008
1,1,2-Trichloroethane MR 15 2008
CHLOROBENZENE MR 15 2008
Toluene MR 15 2008
Ethylbenzene MR 15 2008
Styrene MR 15 2008
DICHLOROMETHANE MR 15 2008
Vinyl chloride MR 15 2008
1,1-Dichloroethylene MR 15 2008
Tetrachloroethylene MR 15 2008
Benzene MR 15 2008
1,2,4-Trichlorobenzene MR 15 2008
o-Dichlorobenzene MR 15 2008
1,2-Dichloroethane MR 15 2008
Carbon tetrachloride MR 15 2008
trans-1,2-Dichloroethylene MR 15 2008
Lead and Copper Rule MR 9 2007
OXAMYL MR 8 2008
Aldicarb sulfone MR 8 2008
Aldicarb sulfoxide MR 8 2008
Carbofuran MR 8 2008
Aldicarb MR 8 2008
Methoxychlor MR 6 2005
Toxaphene MR 6 2005
Di(2-ethylhexyl) adipate MR 6 2005

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 4 of 480 samples detected PFAS.

Contaminant Date Result MRL Status
ADONA 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 8/2/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 8/2/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 8/2/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFPeA 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 8/2/2023 <0.002 µg/L 0.002 µg/L Not Detected
NFDHA 8/2/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 8/2/2023 <0.004 µg/L 0.004 µg/L Not Detected
HFPO-DA 8/2/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 8/2/2023 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 8/2/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 8/2/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 8/2/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFMPA 8/2/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 8/2/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 8/2/2023 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 8/2/2023 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 8/2/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFTA 8/2/2023 <0.008 µg/L 0.008 µg/L Not Detected
lithium 8/2/2023 <9 µg/L 9 µg/L Not Detected
PFHpS 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 8/2/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHpA 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 8/2/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 8/2/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 8/2/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 8/2/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 8/2/2023 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 8/2/2023 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 8/2/2023 <0.005 µg/L 0.005 µg/L Not Detected
NFDHA 8/2/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFHpS 8/2/2023 <0.003 µg/L 0.003 µg/L Not Detected
lithium 8/2/2023 <9 µg/L 9 µg/L Not Detected
PFTA 8/2/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 8/2/2023 <0.007 µg/L 0.007 µg/L Not Detected

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 STEVENS CO PUD - SUNCREST.

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 WA5385202 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 STEVENS CO PUD - SUNCREST 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
2024 Nitrate MR 3 SDWIS / WA5385202 / 1040
2018 Revised Total Coliform Rule MON 2 SDWIS / WA5385202 / 8000
2008 cis-1,2-Dichloroethylene MR 15 SDWIS / WA5385202 / 2380
2008 p-Dichlorobenzene MR 15 SDWIS / WA5385202 / 2969
2008 1,1,1-Trichloroethane MR 15 SDWIS / WA5385202 / 2981
2008 1,2-Dichloropropane MR 15 SDWIS / WA5385202 / 2983
2008 Trichloroethylene MR 15 SDWIS / WA5385202 / 2984
2008 1,1,2-Trichloroethane MR 15 SDWIS / WA5385202 / 2985
2008 CHLOROBENZENE MR 15 SDWIS / WA5385202 / 2989
2008 Toluene MR 15 SDWIS / WA5385202 / 2991
2008 Ethylbenzene MR 15 SDWIS / WA5385202 / 2992
2008 Styrene MR 15 SDWIS / WA5385202 / 2996
2008 DICHLOROMETHANE MR 15 SDWIS / WA5385202 / 2964
2008 Vinyl chloride MR 15 SDWIS / WA5385202 / 2976
2008 1,1-Dichloroethylene MR 15 SDWIS / WA5385202 / 2977

How STEVENS CO PUD - SUNCREST Compares

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

Metric STEVENS CO PUD - SUNCREST Washington avg Federal benchmark
Total violations 496 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 6 4.5 Indicates a contaminant exceeded a federal MCL
PFAS detection 3 compounds 39.7% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 7,484 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 STEVENS CO PUD - SUNCREST water safe to drink? ▼
STEVENS CO PUD - SUNCREST (PWS ID: WA5385202) has 496 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 3 PFAS compounds found. This system serves 7,484 people using Groundwater sources.
How many people does STEVENS CO PUD - SUNCREST serve? ▼
STEVENS CO PUD - SUNCREST serves 7,484 people in Loon Lake, Washington. It is a Local-owned system using Groundwater water sources with 2,205 service connections.
What type of violations does STEVENS CO PUD - SUNCREST have? ▼
STEVENS CO PUD - SUNCREST has 496 total violations: 6 health-based violations (MCL exceedances or treatment failures), 490 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in STEVENS CO PUD - SUNCREST water? ▼
Yes. UCMR5 testing detected 3 PFAS compounds in STEVENS CO PUD - SUNCREST's water supply: PFHxA, lithium, PFPeA. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does STEVENS CO PUD - SUNCREST use? ▼
STEVENS CO PUD - SUNCREST 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

Water in Washington

All systems in state
All States

Water quality by state
Contaminants

PFAS & other pollutants
Guides

Understanding water quality

Related Data for Washington

Environmental Data → Natural Hazards → Air Quality → Healthcare Access → Climate Data →
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.

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

Related

Browse all → | Rankings →
Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial