HARRISBURG, CITY OF

Q: Is HARRISBURG, CITY OF water safe to drink?

HARRISBURG, CITY OF (PWS ID: OR4100366) has 332 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 3,684 people using Groundwater sources.

Q: What type of violations does HARRISBURG, CITY OF have?

HARRISBURG, CITY OF has 332 total violations: 3 health-based violations (MCL exceedances or treatment failures), 325 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.

Q: Has PFAS been detected in HARRISBURG, CITY OF water?

No. HARRISBURG, CITY OF was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.

Q: What water source does HARRISBURG, CITY OF use?

HARRISBURG, CITY OF uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.

Q: 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.

Reviewed byPlainWater Editorial, Drinking Water Quality Editorial Team · June 4, 2026

PWS ID: OR4100366 · HARRISBURG, Oregon 97446

HARRISBURG, CITY OF serves 3,684 people in HARRISBURG, Oregon using Groundwater water sources. It has 332 recorded EPA violations, including 3 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: HARRISBURG, CITY OF

HARRISBURG, CITY OF is a local-owned community water system that delivers drinking water to 3,684 residents in HARRISBURG, Oregon (Linn County) through 1,244 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 332 total violations for this system , of which 3 (1%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 325 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 10 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

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. HARRISBURG, CITY OF's 332 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

3,684

Total Violations

332

Health-Based Violations

Water Source

Groundwater

System Details

System Type: Community
Owner Type: Local
Connections: 1,244
County: Linn
School/Daycare: No
MCL Violations: 2
Monitoring Violations: 325
Treatment Tech Violations: 1

Violation History

Contaminant violations recorded by EPA.

Contaminant	Category	Count	Latest
Coliform (TCR)	MR	10	2008
1,2,4-Trichlorobenzene	MR	10	2009
Xylenes, Total	MR	10	2009
DICHLOROMETHANE	MR	10	2009
o-Dichlorobenzene	MR	10	2009
1,1-Dichloroethylene	MR	10	2009
Trichloroethylene	MR	10	2009
Benzene	MR	10	2009
cis-1,2-Dichloroethylene	MR	10	2009
trans-1,2-Dichloroethylene	MR	10	2009
1,1,1-Trichloroethane	MR	10	2009
Carbon tetrachloride	MR	10	2009
1,1,2-Trichloroethane	MR	10	2009
Tetrachloroethylene	MR	10	2009
CHLOROBENZENE	MR	10	2009
Toluene	MR	10	2009
Ethylbenzene	MR	10	2009
p-Dichlorobenzene	MR	10	2009
Vinyl chloride	MR	10	2009
1,2-Dichloropropane	MR	10	2009
Styrene	MR	10	2009
COLIPHAGE	MR	10	2012
1,2-Dichloroethane	MR	10	2009
Nitrate	MR	3	2002
BHC-GAMMA	MR	3	2009
Methoxychlor	MR	3	2009
Toxaphene	MR	3	2009
Dalapon	MR	3	2009
Simazine	MR	3	2009
Di(2-ethylhexyl) phthalate	MR	3	2009

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 60 samples detected PFAS.

Contaminant	Date	Result	MRL	Status
lithium	7/25/2023	<9 µg/L	9 µg/L	Not Detected
NFDHA	3/20/2023	<0.02 µg/L	0.02 µg/L	Not Detected
HFPO-DA	3/20/2023	<0.005 µg/L	0.005 µg/L	Not Detected
PFBA	3/20/2023	<0.005 µg/L	0.005 µg/L	Not Detected
6:2 FTS	3/20/2023	<0.005 µg/L	0.005 µg/L	Not Detected
4:2 FTS	3/20/2023	<0.003 µg/L	0.003 µg/L	Not Detected
8:2 FTS	3/20/2023	<0.005 µg/L	0.005 µg/L	Not Detected
PFMPA	3/20/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFPeA	3/20/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFEESA	3/20/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFPeS	3/20/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFHpS	3/20/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFDoA	3/20/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFBS	3/20/2023	<0.003 µg/L	0.003 µg/L	Not Detected
ADONA	3/20/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFMBA	3/20/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFTA	3/20/2023	<0.008 µg/L	0.008 µg/L	Not Detected
PFUnA	3/20/2023	<0.002 µg/L	0.002 µg/L	Not Detected
9Cl-PF3ONS	3/20/2023	<0.002 µg/L	0.002 µg/L	Not Detected
PFTrDA	3/20/2023	<0.007 µg/L	0.007 µg/L	Not Detected
NEtFOSAA	3/20/2023	<0.005 µg/L	0.005 µg/L	Not Detected
NMeFOSAA	3/20/2023	<0.006 µg/L	0.006 µg/L	Not Detected
PFHpA	3/20/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFNA	3/20/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFOS	3/20/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFOA	3/20/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFDA	3/20/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFHxS	3/20/2023	<0.003 µg/L	0.003 µg/L	Not Detected
11Cl-PF3OUdS	3/20/2023	<0.005 µg/L	0.005 µg/L	Not Detected
PFHxA	3/20/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFBA	10/4/2023	<0.005 µg/L	0.005 µg/L	Not Detected
PFDoA	10/4/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFDA	10/4/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFOA	10/4/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFOS	10/4/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFNA	10/4/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFHxS	10/4/2023	<0.003 µg/L	0.003 µg/L	Not Detected
NEtFOSAA	10/4/2023	<0.005 µg/L	0.005 µg/L	Not Detected
PFBS	10/4/2023	<0.003 µg/L	0.003 µg/L	Not Detected
NMeFOSAA	10/4/2023	<0.006 µg/L	0.006 µg/L	Not Detected
PFHxA	10/4/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFMPA	10/4/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFTrDA	10/4/2023	<0.007 µg/L	0.007 µg/L	Not Detected
PFHpA	10/4/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFUnA	10/4/2023	<0.002 µg/L	0.002 µg/L	Not Detected
11Cl-PF3OUdS	10/4/2023	<0.005 µg/L	0.005 µg/L	Not Detected
9Cl-PF3ONS	10/4/2023	<0.002 µg/L	0.002 µg/L	Not Detected
ADONA	10/4/2023	<0.003 µg/L	0.003 µg/L	Not Detected
HFPO-DA	10/4/2023	<0.005 µg/L	0.005 µg/L	Not Detected
6:2 FTS	10/4/2023	<0.005 µg/L	0.005 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 HARRISBURG, 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 OR4100366 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	Lead and Copper Rule	MR	3	SDWIS / OR4100366 / 5000
2023	Consumer Confidence Rule	Other	1	SDWIS / OR4100366 / 7000
2022	Lead and Copper Rule	TT	1	SDWIS / OR4100366 / 5000
2012	COLIPHAGE	MR	10	SDWIS / OR4100366 / 3028
2009	1,2,4-Trichlorobenzene	MR	10	SDWIS / OR4100366 / 2378
2009	Xylenes, Total	MR	10	SDWIS / OR4100366 / 2955
2009	DICHLOROMETHANE	MR	10	SDWIS / OR4100366 / 2964
2009	o-Dichlorobenzene	MR	10	SDWIS / OR4100366 / 2968
2009	1,1-Dichloroethylene	MR	10	SDWIS / OR4100366 / 2977
2009	Trichloroethylene	MR	10	SDWIS / OR4100366 / 2984
2009	Benzene	MR	10	SDWIS / OR4100366 / 2990
2009	cis-1,2-Dichloroethylene	MR	10	SDWIS / OR4100366 / 2380
2009	trans-1,2-Dichloroethylene	MR	10	SDWIS / OR4100366 / 2979
2009	1,1,1-Trichloroethane	MR	10	SDWIS / OR4100366 / 2981
2009	Carbon tetrachloride	MR	10	SDWIS / OR4100366 / 2982

How HARRISBURG, CITY OF Compares

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

Metric	HARRISBURG, CITY OF	Oregon avg	Federal benchmark
Total violations	332	82.1	SDWA compliance — any non-zero count is a recorded breach
Health-based violations	3	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	3,684	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 HARRISBURG, CITY OF water safe to drink? ▼

HARRISBURG, CITY OF (PWS ID: OR4100366) has 332 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 3,684 people using Groundwater sources.

How many people does HARRISBURG, CITY OF serve? ▼

HARRISBURG, CITY OF serves 3,684 people in HARRISBURG, Oregon. It is a Local-owned system using Groundwater water sources with 1,244 service connections.

What type of violations does HARRISBURG, CITY OF have? ▼

HARRISBURG, CITY OF has 332 total violations: 3 health-based violations (MCL exceedances or treatment failures), 325 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.

Has PFAS been detected in HARRISBURG, CITY OF water? ▼

No. HARRISBURG, CITY OF was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.

What water source does HARRISBURG, CITY OF use? ▼

HARRISBURG, 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.

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