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MALIN MUNICIPAL WATER

PWS ID: OR4100504 · MALIN, Oregon 97632

MALIN MUNICIPAL WATER serves 815 people in MALIN, Oregon using Groundwater water sources. It has 171 recorded EPA violations, including 10 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: MALIN MUNICIPAL WATER

MALIN MUNICIPAL WATER is a local-owned community water system that delivers drinking water to 815 residents in MALIN, Oregon (Klamath County) through 309 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 171 total violations for this system , of which 10 (6%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 153 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 Arsenic, recorded in 13 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. MALIN MUNICIPAL WATER's 171 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
815
Total Violations
171
Health-Based Violations
10
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
309
County
Klamath
School/Daycare
No
MCL Violations
9
Monitoring Violations
153
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Arsenic MR 13 2010
Coliform (TCR) MCL 6 2001
Coliform (TCR) MR 5 2001
Nitrate MR 4 2002
E. COLI MR 4 2011
Arsenic MCL 3 2009
Consumer Confidence Rule Other 3 2024
Dinoseb MR 2 1996
ETHYLENE DIBROMIDE MR 2 1996
Glyphosate MR 2 1996
Heptachlor epoxide MR 2 1996
Hexachlorocyclopentadiene MR 2 1996
Methoxychlor MR 2 1996
Di(2-ethylhexyl) phthalate MR 2 1996
Picloram MR 2 1996
Simazine MR 2 1996
Total Polychlorinated Biphenyls (PCB) MR 2 1996
Toxaphene MR 2 1996
OXAMYL MR 2 1996
1,1-Dichloroethylene MR 2 1996
1,1,1-Trichloroethane MR 2 1996
1,1,2-Trichloroethane MR 2 1996
cis-1,2-Dichloroethylene MR 2 1996
DICHLOROMETHANE MR 2 1996
Ethylbenzene MR 2 1996
CHLOROBENZENE MR 2 1996
o-Dichlorobenzene MR 2 1996
p-Dichlorobenzene MR 2 1996
Styrene MR 2 1996
Trichloroethylene MR 2 1996

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 MALIN MUNICIPAL WATER.

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 OR4100504 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 Consumer Confidence Rule Other 3 SDWIS / OR4100504 / 7000
2024 LEAD AND COPPER RULE REVISIONS TT 1 SDWIS / OR4100504 / 5200
2017 Gross Alpha, Excl. Radon and U MR 2 SDWIS / OR4100504 / 4000
2011 E. COLI MR 4 SDWIS / OR4100504 / 3014
2010 Arsenic MR 13 SDWIS / OR4100504 / 1005
2009 Arsenic MCL 3 SDWIS / OR4100504 / 1005
2002 Nitrate MR 4 SDWIS / OR4100504 / 1040
2001 Coliform (TCR) MCL 6 SDWIS / OR4100504 / 3100
2001 Coliform (TCR) MR 5 SDWIS / OR4100504 / 3100
1996 Dinoseb MR 2 SDWIS / OR4100504 / 2041
1996 ETHYLENE DIBROMIDE MR 2 SDWIS / OR4100504 / 2946
1996 Glyphosate MR 2 SDWIS / OR4100504 / 2034
1996 Heptachlor epoxide MR 2 SDWIS / OR4100504 / 2067
1996 Hexachlorocyclopentadiene MR 2 SDWIS / OR4100504 / 2042
1996 Methoxychlor MR 2 SDWIS / OR4100504 / 2015

How MALIN MUNICIPAL WATER Compares

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

Metric MALIN MUNICIPAL WATER Oregon avg Federal benchmark
Total violations 171 82.1 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 10 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 815 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 MALIN MUNICIPAL WATER water safe to drink? ▼
MALIN MUNICIPAL WATER (PWS ID: OR4100504) has 171 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 815 people using Groundwater sources.
How many people does MALIN MUNICIPAL WATER serve? ▼
MALIN MUNICIPAL WATER serves 815 people in MALIN, Oregon. It is a Local-owned system using Groundwater water sources with 309 service connections.
What type of violations does MALIN MUNICIPAL WATER have? ▼
MALIN MUNICIPAL WATER has 171 total violations: 10 health-based violations (MCL exceedances or treatment failures), 153 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in MALIN MUNICIPAL WATER water? ▼
No PFAS testing data is available for MALIN MUNICIPAL WATER under the EPA's UCMR5 monitoring program.
What water source does MALIN MUNICIPAL WATER use? ▼
MALIN MUNICIPAL WATER 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. This data is provided for informational purposes only.

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

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