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MOUNT ANGEL, CITY OF

PWS ID: OR4100544 · MT. ANGEL, Oregon 97362

MOUNT ANGEL, CITY OF serves 3,650 people in MT. ANGEL, Oregon using Groundwater water sources. It has 101 recorded EPA violations, including 8 health-based violations. PFAS "forever chemicals" were detected in UCMR5 testing (1 compound found).

Water Quality Snapshot: MOUNT ANGEL, CITY OF

MOUNT ANGEL, CITY OF is a local-owned community water system that delivers drinking water to 3,650 residents in MT. ANGEL, Oregon (Marion County) through 985 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 101 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 89 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 7 violations (MR). Under EPA's UCMR5 PFAS monitoring program, 1 PFAS compound was detected in samples collected from this system, with a maximum reported concentration of 34 ppt. PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

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. MOUNT ANGEL, CITY OF's 101 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.

PFAS Detected

1 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
3,650
Total Violations
101
Health-Based Violations
8
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
985
County
Marion
School/Daycare
No
MCL Violations
3
Monitoring Violations
89
Treatment Tech Violations
5

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 7 2004
Nitrate MR 6 2003
Lead and Copper Rule TT 5 2000
TTHM MR 4 2024
Total Haloacetic Acids (HAA5) MR 4 2024
Coliform (TCR) MCL 3 2003
Lead and Copper Rule MR 3 1994
Consumer Confidence Rule Other 2 2025
Barium MR 1 2002
CYANIDE MR 1 2002
Fluoride MR 1 2002
Mercury MR 1 2002
Nickel MR 1 2002
Antimony, Total MR 1 2002
Thallium, Total MR 1 2002
1,2,4-Trichlorobenzene MR 1 2002
DICHLOROMETHANE MR 1 2002
p-Dichlorobenzene MR 1 2002
1,2-Dichloroethane MR 1 2002
1,1,1-Trichloroethane MR 1 2002
Carbon tetrachloride MR 1 2002
1,2-Dichloropropane MR 1 2002
Trichloroethylene MR 1 2002
Tetrachloroethylene MR 1 2002
CHLOROBENZENE MR 1 2002
Benzene MR 1 2002
Toluene MR 1 2002
Ethylbenzene MR 1 2002
Styrene MR 1 2002
Endrin MR 1 2002

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 4 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
PFBS 8/18/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 8/18/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFEESA 8/18/2025 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 8/18/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 8/18/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 8/18/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 8/18/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 8/18/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 8/18/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/18/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 8/18/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFMPA 8/18/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHpA 8/18/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 8/18/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 8/18/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 8/18/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFMBA 8/18/2025 <0.003 µg/L 0.003 µg/L Not Detected
lithium 8/18/2025 34.0000 µg/L 9 µg/L Detected
PFPeA 8/18/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 8/18/2025 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 8/18/2025 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 8/18/2025 <0.006 µg/L 0.006 µg/L Not Detected
11Cl-PF3OUdS 8/18/2025 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 8/18/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/18/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 8/18/2025 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 8/18/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 8/18/2025 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 8/18/2025 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 8/18/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFBS 8/18/2025 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 8/18/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 8/18/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFHxA 8/18/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 8/18/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 8/18/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 8/18/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 8/18/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHpA 8/18/2025 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 8/18/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 8/18/2025 <0.002 µg/L 0.002 µg/L Not Detected
lithium 8/18/2025 25.0000 µg/L 9 µg/L Detected
PFHxS 8/18/2025 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 8/18/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFDoA 8/18/2025 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 8/18/2025 <0.006 µg/L 0.006 µg/L Not Detected
HFPO-DA 8/18/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 8/18/2025 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 8/18/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFHpS 8/18/2025 <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 MOUNT ANGEL, 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 OR4100544 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
2025 Consumer Confidence Rule Other 2 SDWIS / OR4100544 / 7000
2024 TTHM MR 4 SDWIS / OR4100544 / 2950
2024 Total Haloacetic Acids (HAA5) MR 4 SDWIS / OR4100544 / 2456
2016 Revised Total Coliform Rule MON 1 SDWIS / OR4100544 / 8000
2004 Coliform (TCR) MR 7 SDWIS / OR4100544 / 3100
2003 Nitrate MR 6 SDWIS / OR4100544 / 1040
2003 Coliform (TCR) MCL 3 SDWIS / OR4100544 / 3100
2002 Barium MR 1 SDWIS / OR4100544 / 1010
2002 CYANIDE MR 1 SDWIS / OR4100544 / 1024
2002 Fluoride MR 1 SDWIS / OR4100544 / 1025
2002 Mercury MR 1 SDWIS / OR4100544 / 1035
2002 Nickel MR 1 SDWIS / OR4100544 / 1036
2002 Antimony, Total MR 1 SDWIS / OR4100544 / 1074
2002 Thallium, Total MR 1 SDWIS / OR4100544 / 1085
2002 1,2,4-Trichlorobenzene MR 1 SDWIS / OR4100544 / 2378

How MOUNT ANGEL, CITY OF Compares

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

Metric MOUNT ANGEL, CITY OF Oregon avg Federal benchmark
Total violations 101 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 1 compound 24% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 3,650 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 MOUNT ANGEL, CITY OF water safe to drink? ▼
MOUNT ANGEL, CITY OF (PWS ID: OR4100544) has 101 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 1 PFAS compound found. This system serves 3,650 people using Groundwater sources.
How many people does MOUNT ANGEL, CITY OF serve? ▼
MOUNT ANGEL, CITY OF serves 3,650 people in MT. ANGEL, Oregon. It is a Local-owned system using Groundwater water sources with 985 service connections.
What type of violations does MOUNT ANGEL, CITY OF have? ▼
MOUNT ANGEL, CITY OF has 101 total violations: 8 health-based violations (MCL exceedances or treatment failures), 89 monitoring/reporting violations, and 5 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in MOUNT ANGEL, CITY OF water? ▼
Yes. UCMR5 testing detected 1 PFAS compound in MOUNT ANGEL, CITY OF's water supply: lithium. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does MOUNT ANGEL, CITY OF use? ▼
MOUNT ANGEL, CITY OF 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