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SUNRIVER WATER LLC/SUNRIVER UTILITIES

PWS ID: OR4100846 · SUNRIVER, Oregon 97707

SUNRIVER WATER LLC/SUNRIVER UTILITIES serves 4,300 people in SUNRIVER, Oregon using Groundwater water sources. It has 23 recorded EPA violations, including 6 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: SUNRIVER WATER LLC/SUNRIVER UTILITIES

SUNRIVER WATER LLC/SUNRIVER UTILITIES is a private-owned community water system that delivers drinking water to 4,300 residents in SUNRIVER, Oregon (Deschutes County) through 4,804 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 23 total violations for this system , of which 6 (26%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 17 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 7 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

Across Oregon, EPA tracks 2,518 public water systems serving 4,005,242 people, with 206,659 cumulative violations and 20,339 health-based violations on record. About 99% of systems in the state carry at least one violation, and state-wide the average per system is 82.1 violations. SUNRIVER WATER LLC/SUNRIVER UTILITIES's 23 violations sit below the Oregon average. Statewide, 30 of 125 UCMR5-tested systems have reported PFAS detections (24%). 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
4,300
Total Violations
23
Health-Based Violations
6
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
4,804
County
Deschutes
School/Daycare
No
MCL Violations
6
Monitoring Violations
17
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 7 1999
Coliform (TCR) MCL 6 2003
Revised Total Coliform Rule MON 4 2023
Asbestos MR 2 2002
COLIPHAGE MR 2 2020
Combined Radium (-226 and -228) MR 1 1976
Gross Alpha, Excl. Radon and U MR 1 1976

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 180 samples detected PFAS.

Contaminant Date Result MRL Status
PFDA 8/21/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 8/21/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 8/21/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 8/21/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 8/21/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/21/2023 <0.003 µg/L 0.003 µg/L Not Detected
lithium 8/21/2023 <9 µg/L 9 µg/L Not Detected
PFMPA 8/21/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDoA 8/21/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/21/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 8/21/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFPeS 8/21/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFTA 8/21/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 8/21/2023 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 8/21/2023 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 8/21/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFHpS 8/21/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/21/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 8/21/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 8/21/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHxA 8/21/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 8/21/2023 <0.005 µg/L 0.005 µg/L Not Detected
NFDHA 8/21/2023 <0.02 µg/L 0.02 µg/L Not Detected
HFPO-DA 8/21/2023 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 8/21/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 8/21/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 8/21/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 8/21/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFPeA 8/21/2023 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 8/21/2023 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 8/21/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 8/21/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 8/21/2023 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 8/21/2023 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 8/21/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFBS 8/21/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/21/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 8/21/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 8/21/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 8/21/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 8/21/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDoA 8/21/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 8/21/2023 <0.002 µg/L 0.002 µg/L Not Detected
lithium 8/21/2023 <9 µg/L 9 µg/L Not Detected
9Cl-PF3ONS 8/21/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFDA 8/21/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/21/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 8/21/2023 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 8/21/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 8/21/2023 <0.003 µg/L 0.003 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 SUNRIVER WATER LLC/SUNRIVER UTILITIES.

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 OR4100846 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Oregon Drinking Water Authority

Oregon's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find OR regulator via EPA SDWIS

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
2023 Revised Total Coliform Rule MON 4 SDWIS / OR4100846 / 8000
2020 COLIPHAGE MR 2 SDWIS / OR4100846 / 3028
2003 Coliform (TCR) MCL 6 SDWIS / OR4100846 / 3100
2002 Asbestos MR 2 SDWIS / OR4100846 / 1094
1999 Coliform (TCR) MR 7 SDWIS / OR4100846 / 3100
1976 Combined Radium (-226 and -228) MR 1 SDWIS / OR4100846 / 4010
1976 Gross Alpha, Excl. Radon and U MR 1 SDWIS / OR4100846 / 4000

How SUNRIVER WATER LLC/SUNRIVER UTILITIES Compares

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

Metric SUNRIVER WATER LLC/SUNRIVER UTILITIES Oregon avg Federal benchmark
Total violations 23 82.1 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 6 8.1 Indicates a contaminant exceeded a federal MCL
PFAS detection None 24% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 4,300 1,591 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 2,518 regulated public water systems in Oregon.

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 SUNRIVER WATER LLC/SUNRIVER UTILITIES water safe to drink? ▼
SUNRIVER WATER LLC/SUNRIVER UTILITIES (PWS ID: OR4100846) has 23 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 4,300 people using Groundwater sources.
How many people does SUNRIVER WATER LLC/SUNRIVER UTILITIES serve? ▼
SUNRIVER WATER LLC/SUNRIVER UTILITIES serves 4,300 people in SUNRIVER, Oregon. It is a Private-owned system using Groundwater water sources with 4,804 service connections.
What type of violations does SUNRIVER WATER LLC/SUNRIVER UTILITIES have? ▼
SUNRIVER WATER LLC/SUNRIVER UTILITIES has 23 total violations: 6 health-based violations (MCL exceedances or treatment failures), 17 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in SUNRIVER WATER LLC/SUNRIVER UTILITIES water? ▼
No. SUNRIVER WATER LLC/SUNRIVER UTILITIES was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does SUNRIVER WATER LLC/SUNRIVER UTILITIES use? ▼
SUNRIVER WATER LLC/SUNRIVER UTILITIES 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. 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.

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Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial