PlainWater
States09

Duck Valley Owyhee

PWS ID: 093200067 · Owyhee, 09 89832

Duck Valley Owyhee serves 150 people in Owyhee, 09 using Groundwater water sources. It has 120 recorded EPA violations, including 11 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: Duck Valley Owyhee

Duck Valley Owyhee is a native american-owned community water system that delivers drinking water to 150 residents in Owyhee, 09 through 84 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 120 total violations for this system , of which 11 (9%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 64 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 19 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 09, EPA tracks 323 public water systems serving 555,721 people, with 48,296 cumulative violations and 3,354 health-based violations on record. About 97% of systems in the state carry at least one violation, and state-wide the average per system is 149.5 violations. Duck Valley Owyhee's 120 violations sit below the 09 average. Statewide, 30 of 41 UCMR5-tested systems have reported PFAS detections (73.2%). 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
150
Total Violations
120
Health-Based Violations
11
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Native American
Connections
84
School/Daycare
No
MCL Violations
10
Monitoring Violations
64
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 19 2015
E. COLI MR 14 2023
Coliform (TCR) MCL 10 2015
Nitrate MR 5 2020
Lead and Copper Rule MR 3 2020
Consumer Confidence Rule Other 2 2020
Xylenes, Total MR 1 2014
DICHLOROMETHANE MR 1 2014
1,1-Dichloroethylene MR 1 2014
Carbon tetrachloride MR 1 2014
1,2-Dichloropropane MR 1 2014
CHLOROBENZENE MR 1 2014
Benzene MR 1 2014
Styrene MR 1 2014
Revised Total Coliform Rule RPT 1 2023
Revised Total Coliform Rule Other 1 2016
Public Notice Other 1 2022
Asbestos MR 1 1996
1,1,2-Trichloroethane MR 1 2014
cis-1,2-Dichloroethylene MR 1 2014
Beryllium, Total MR 1 2011
p-Dichlorobenzene MR 1 2014
1,2,4-Trichlorobenzene MR 1 2014
Trichloroethylene MR 1 2014
1,2-Dichloroethane MR 1 2014
1,1,1-Trichloroethane MR 1 2014
Tetrachloroethylene MR 1 2014
trans-1,2-Dichloroethylene MR 1 2014
Vinyl chloride MR 1 2014
Toluene MR 1 2014

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 Duck Valley Owyhee.

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 093200067 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

09 Drinking Water Authority

09'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 09 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 E. COLI MR 14 SDWIS / 093200067 / 3014
2023 Revised Total Coliform Rule RPT 1 SDWIS / 093200067 / 8000
2022 Public Notice Other 1 SDWIS / 093200067 / 7500
2022 Groundwater Rule TT 1 SDWIS / 093200067 / 0700
2020 Nitrate MR 5 SDWIS / 093200067 / 1040
2020 Lead and Copper Rule MR 3 SDWIS / 093200067 / 5000
2020 Consumer Confidence Rule Other 2 SDWIS / 093200067 / 7000
2016 Revised Total Coliform Rule Other 1 SDWIS / 093200067 / 8000
2015 Coliform (TCR) MR 19 SDWIS / 093200067 / 3100
2015 Coliform (TCR) MCL 10 SDWIS / 093200067 / 3100
2014 Xylenes, Total MR 1 SDWIS / 093200067 / 2955
2014 DICHLOROMETHANE MR 1 SDWIS / 093200067 / 2964
2014 1,1-Dichloroethylene MR 1 SDWIS / 093200067 / 2977
2014 Carbon tetrachloride MR 1 SDWIS / 093200067 / 2982
2014 1,2-Dichloropropane MR 1 SDWIS / 093200067 / 2983

How Duck Valley Owyhee Compares

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

Metric Duck Valley Owyhee 09 avg Federal benchmark
Total violations 120 149.5 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 11 10.4 Indicates a contaminant exceeded a federal MCL
PFAS detection None 73.2% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 150 1,720 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 323 regulated public water systems in 09.

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 Duck Valley Owyhee water safe to drink?
Duck Valley Owyhee (PWS ID: 093200067) has 120 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 150 people using Groundwater sources.
How many people does Duck Valley Owyhee serve?
Duck Valley Owyhee serves 150 people in Owyhee, 09. It is a Native American-owned system using Groundwater water sources with 84 service connections.
What type of violations does Duck Valley Owyhee have?
Duck Valley Owyhee has 120 total violations: 11 health-based violations (MCL exceedances or treatment failures), 64 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Duck Valley Owyhee water?
No PFAS testing data is available for Duck Valley Owyhee under the EPA's UCMR5 monitoring program.
What water source does Duck Valley Owyhee use?
Duck Valley Owyhee 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