PlainWater

CAVE JUNCTION, CITY OF

PWS ID: OR4100971 · CAVE JUNCTION, Oregon 97523

CAVE JUNCTION, CITY OF serves 2,160 people in CAVE JUNCTION, Oregon using Surface Water water sources. It has 167 recorded EPA violations, including 63 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: CAVE JUNCTION, CITY OF

CAVE JUNCTION, CITY OF is a local-owned community water system that delivers drinking water to 2,160 residents in CAVE JUNCTION, Oregon (Josephine County) through 942 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 167 total violations for this system , of which 63 (38%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 100 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 56 violations (TT, health-based). 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. CAVE JUNCTION, CITY OF's 167 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
2,160
Total Violations
167
Health-Based Violations
63
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
942
County
Josephine
School/Daycare
No
MCL Violations
0
Monitoring Violations
100
Treatment Tech Violations
63

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule TT 56 1998
Nitrate MR 11 2004
Surface Water Treatment Rule MR 9 2022
Lead and Copper Rule TT 7 2000
Lead and Copper Rule MR 5 2022
TTHM MR 4 2024
Total Haloacetic Acids (HAA5) MR 4 2024
Coliform (TCR) MR 3 2001
Consumer Confidence Rule Other 2 2023
Interim Enhanced Surface Water Treatment Rule MR 2 2022
Arsenic MR 2 2004
Total Polychlorinated Biphenyls (PCB) MR 2 2005
1,2,4-Trichlorobenzene MR 1 2004
cis-1,2-Dichloroethylene MR 1 2004
DICHLOROMETHANE MR 1 2004
p-Dichlorobenzene MR 1 2004
Vinyl chloride MR 1 2004
1,1-Dichloroethylene MR 1 2004
Carbon tetrachloride MR 1 2004
1,2-Dichloropropane MR 1 2004
Trichloroethylene MR 1 2004
Tetrachloroethylene MR 1 2004
CHLOROBENZENE MR 1 2004
Benzene MR 1 2004
Toluene MR 1 2004
Ethylbenzene MR 1 2004
Styrene MR 1 2004
BHC-GAMMA MR 1 2005
Toxaphene MR 1 2005
Endothall MR 1 2005

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 CAVE JUNCTION, 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 OR4100971 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 TTHM MR 4 SDWIS / OR4100971 / 2950
2024 Total Haloacetic Acids (HAA5) MR 4 SDWIS / OR4100971 / 2456
2023 Consumer Confidence Rule Other 2 SDWIS / OR4100971 / 7000
2022 Surface Water Treatment Rule MR 9 SDWIS / OR4100971 / 0200
2022 Lead and Copper Rule MR 5 SDWIS / OR4100971 / 5000
2022 Interim Enhanced Surface Water Treatment Rule MR 2 SDWIS / OR4100971 / 0300
2015 E. COLI MR 1 SDWIS / OR4100971 / 3014
2005 Total Polychlorinated Biphenyls (PCB) MR 2 SDWIS / OR4100971 / 2383
2005 BHC-GAMMA MR 1 SDWIS / OR4100971 / 2010
2005 Toxaphene MR 1 SDWIS / OR4100971 / 2020
2005 Endothall MR 1 SDWIS / OR4100971 / 2033
2005 Simazine MR 1 SDWIS / OR4100971 / 2037
2005 Di(2-ethylhexyl) phthalate MR 1 SDWIS / OR4100971 / 2039
2005 Dinoseb MR 1 SDWIS / OR4100971 / 2041
2005 Carbofuran MR 1 SDWIS / OR4100971 / 2046

How CAVE JUNCTION, CITY OF Compares

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

Metric CAVE JUNCTION, CITY OF Oregon avg Federal benchmark
Total violations 167 82.1 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 63 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 2,160 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 CAVE JUNCTION, CITY OF water safe to drink?
CAVE JUNCTION, CITY OF (PWS ID: OR4100971) has 167 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 2,160 people using Surface Water sources.
How many people does CAVE JUNCTION, CITY OF serve?
CAVE JUNCTION, CITY OF serves 2,160 people in CAVE JUNCTION, Oregon. It is a Local-owned system using Surface Water water sources with 942 service connections.
What type of violations does CAVE JUNCTION, CITY OF have?
CAVE JUNCTION, CITY OF has 167 total violations: 63 health-based violations (MCL exceedances or treatment failures), 100 monitoring/reporting violations, and 63 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in CAVE JUNCTION, CITY OF water?
No PFAS testing data is available for CAVE JUNCTION, CITY OF under the EPA's UCMR5 monitoring program.
What water source does CAVE JUNCTION, CITY OF use?
CAVE JUNCTION, 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 PlainWater Editorial