PlainWater

LONG CREEK, CITY OF

PWS ID: OR4100490 · LONG CREEK, Oregon 97856

LONG CREEK, CITY OF serves 173 people in LONG CREEK, Oregon using Groundwater water sources. It has 118 recorded EPA violations, including 13 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: LONG CREEK, CITY OF

LONG CREEK, CITY OF is a local-owned community water system that delivers drinking water to 173 residents in LONG CREEK, Oregon (Grant County) through 98 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 118 total violations for this system , of which 13 (11%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 101 monitoring and reporting violations are on file. The most recent violation on record dates to 2012.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 38 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. LONG CREEK, CITY OF's 118 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
173
Total Violations
118
Health-Based Violations
13
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
98
County
Grant
School/Daycare
No
MCL Violations
13
Monitoring Violations
101
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 38 2006
Coliform (TCR) MCL 13 2005
Nitrate MR 4 2007
TTHM MR 2 2012
COLIPHAGE MR 2 2012
Total Haloacetic Acids (HAA5) MR 2 2012
Methoxychlor MR 1 2005
Toxaphene MR 1 2005
Dalapon MR 1 2005
Endothall MR 1 2005
Glyphosate MR 1 2005
Di(2-ethylhexyl) adipate MR 1 2005
OXAMYL MR 1 2005
Di(2-ethylhexyl) phthalate MR 1 2005
Dinoseb MR 1 2005
Hexachlorocyclopentadiene MR 1 2005
LASSO MR 1 2005
Heptachlor MR 1 2005
Heptachlor epoxide MR 1 2005
Benzo(a)pyrene MR 1 2005
1,2-DIBROMO-3-CHLOROPROPANE MR 1 2005
Chlordane MR 1 2005
Xylenes, Total MR 1 2005
DICHLOROMETHANE MR 1 2005
o-Dichlorobenzene MR 1 2005
p-Dichlorobenzene MR 1 2005
Vinyl chloride MR 1 2005
1,1-Dichloroethylene MR 1 2005
1,1,1-Trichloroethane MR 1 2005
Carbon tetrachloride 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 LONG CREEK, 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 OR4100490 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
2012 TTHM MR 2 SDWIS / OR4100490 / 2950
2012 COLIPHAGE MR 2 SDWIS / OR4100490 / 3028
2012 Total Haloacetic Acids (HAA5) MR 2 SDWIS / OR4100490 / 2456
2007 Nitrate MR 4 SDWIS / OR4100490 / 1040
2006 Coliform (TCR) MR 38 SDWIS / OR4100490 / 3100
2005 Coliform (TCR) MCL 13 SDWIS / OR4100490 / 3100
2005 Methoxychlor MR 1 SDWIS / OR4100490 / 2015
2005 Toxaphene MR 1 SDWIS / OR4100490 / 2020
2005 Dalapon MR 1 SDWIS / OR4100490 / 2031
2005 Endothall MR 1 SDWIS / OR4100490 / 2033
2005 Glyphosate MR 1 SDWIS / OR4100490 / 2034
2005 Di(2-ethylhexyl) adipate MR 1 SDWIS / OR4100490 / 2035
2005 OXAMYL MR 1 SDWIS / OR4100490 / 2036
2005 Di(2-ethylhexyl) phthalate MR 1 SDWIS / OR4100490 / 2039
2005 Dinoseb MR 1 SDWIS / OR4100490 / 2041

How LONG CREEK, CITY OF Compares

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

Metric LONG CREEK, CITY OF Oregon avg Federal benchmark
Total violations 118 82.1 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 13 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 173 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 LONG CREEK, CITY OF water safe to drink?
LONG CREEK, CITY OF (PWS ID: OR4100490) has 118 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 173 people using Groundwater sources.
How many people does LONG CREEK, CITY OF serve?
LONG CREEK, CITY OF serves 173 people in LONG CREEK, Oregon. It is a Local-owned system using Groundwater water sources with 98 service connections.
What type of violations does LONG CREEK, CITY OF have?
LONG CREEK, CITY OF has 118 total violations: 13 health-based violations (MCL exceedances or treatment failures), 101 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in LONG CREEK, CITY OF water?
No PFAS testing data is available for LONG CREEK, CITY OF under the EPA's UCMR5 monitoring program.
What water source does LONG CREEK, CITY OF use?
LONG CREEK, 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.

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