PlainWater

JOSEPH, CITY OF

PWS ID: OR4100414 · JOSEPH, Oregon 97846

JOSEPH, CITY OF serves 1,182 people in JOSEPH, Oregon using Surface Water water sources. It has 99 recorded EPA violations, including 8 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: JOSEPH, CITY OF

JOSEPH, CITY OF is a local-owned community water system that delivers drinking water to 1,182 residents in JOSEPH, Oregon (Wallowa County) through 750 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 99 total violations for this system , of which 8 (8%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 83 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 Surface Water Treatment Rule, recorded in 41 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 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. JOSEPH, CITY OF's 99 violations sit above 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
1,182
Total Violations
99
Health-Based Violations
8
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
750
County
Wallowa
School/Daycare
No
MCL Violations
0
Monitoring Violations
83
Treatment Tech Violations
8

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule MR 41 2024
Interim Enhanced Surface Water Treatment Rule MR 16 2020
Coliform (TCR) MR 9 2009
Stage 1 Disinfectants and Disinfection Byproducts Rule TT 6 2019
TTHM MR 5 2023
Total Haloacetic Acids (HAA5) MR 5 2023
Public Notice Other 3 2019
Consumer Confidence Rule Other 2 2024
Nitrate MR 2 2014
Gross Alpha, Excl. Radon and U MR 2 2016
Surface Water Treatment Rule TT 2 1992
Combined Uranium MR 1 2016
Revised Total Coliform Rule MON 1 2023
Combined Radium (-226 and -228) MR 1 1976

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 JOSEPH, CITY OF.

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 OR4100414 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
2024 Surface Water Treatment Rule MR 41 SDWIS / OR4100414 / 0200
2024 Consumer Confidence Rule Other 2 SDWIS / OR4100414 / 7000
2023 TTHM MR 5 SDWIS / OR4100414 / 2950
2023 Total Haloacetic Acids (HAA5) MR 5 SDWIS / OR4100414 / 2456
2023 Revised Total Coliform Rule MON 1 SDWIS / OR4100414 / 8000
2020 Interim Enhanced Surface Water Treatment Rule MR 16 SDWIS / OR4100414 / 0300
2019 Stage 1 Disinfectants and Disinfection Byproducts Rule TT 6 SDWIS / OR4100414 / 0400
2019 Public Notice Other 3 SDWIS / OR4100414 / 7500
2016 Gross Alpha, Excl. Radon and U MR 2 SDWIS / OR4100414 / 4000
2016 Combined Uranium MR 1 SDWIS / OR4100414 / 4006
2014 Nitrate MR 2 SDWIS / OR4100414 / 1040
2009 Coliform (TCR) MR 9 SDWIS / OR4100414 / 3100
1992 Surface Water Treatment Rule TT 2 SDWIS / OR4100414 / 0200
1976 Combined Radium (-226 and -228) MR 1 SDWIS / OR4100414 / 4010

How JOSEPH, CITY OF Compares

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

Metric JOSEPH, CITY OF Oregon avg Federal benchmark
Total violations 99 82.1 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 8 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 1,182 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 JOSEPH, CITY OF water safe to drink?
JOSEPH, CITY OF (PWS ID: OR4100414) has 99 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,182 people using Surface Water sources.
How many people does JOSEPH, CITY OF serve?
JOSEPH, CITY OF serves 1,182 people in JOSEPH, Oregon. It is a Local-owned system using Surface Water water sources with 750 service connections.
What type of violations does JOSEPH, CITY OF have?
JOSEPH, CITY OF has 99 total violations: 8 health-based violations (MCL exceedances or treatment failures), 83 monitoring/reporting violations, and 8 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in JOSEPH, CITY OF water?
No PFAS testing data is available for JOSEPH, CITY OF under the EPA's UCMR5 monitoring program.
What water source does JOSEPH, CITY OF use?
JOSEPH, CITY OF uses Surface Water 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 Kiznis Studio Editorial