PlainWater

OCEANSIDE WATER DISTRICT

PWS ID: OR4100585 · OCEANSIDE, Oregon 97134-0360

OCEANSIDE WATER DISTRICT serves 500 people in OCEANSIDE, Oregon using Surface Water water sources. It has 206 recorded EPA violations, including 15 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: OCEANSIDE WATER DISTRICT

OCEANSIDE WATER DISTRICT is a local-owned community water system that delivers drinking water to 500 residents in OCEANSIDE, Oregon (Tillamook County) through 571 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 206 total violations for this system , of which 15 (7%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 183 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 36 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. OCEANSIDE WATER DISTRICT's 206 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
500
Total Violations
206
Health-Based Violations
15
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
571
County
Tillamook
School/Daycare
No
MCL Violations
15
Monitoring Violations
183
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule MR 36 2018
Coliform (TCR) MR 18 2009
TTHM MR 18 2018
Total Haloacetic Acids (HAA5) MR 18 2018
TTHM MCL 15 2024
Nitrate MR 8 2009
Lead and Copper Rule MR 6 2024
Interim Enhanced Surface Water Treatment Rule MR 5 2018
cis-1,2-Dichloroethylene MR 3 2009
o-Dichlorobenzene MR 3 2009
p-Dichlorobenzene MR 3 2009
1,1-Dichloroethylene MR 3 2009
trans-1,2-Dichloroethylene MR 3 2009
1,2-Dichloroethane MR 3 2009
1,1,1-Trichloroethane MR 3 2009
1,1,2-Trichloroethane MR 3 2009
Tetrachloroethylene MR 3 2009
Benzene MR 3 2009
Ethylbenzene MR 3 2009
Styrene MR 3 2009
1,2,4-Trichlorobenzene MR 3 2009
1,2-Dichloropropane MR 3 2009
DICHLOROMETHANE MR 3 2009
Toluene MR 3 2009
CHLOROBENZENE MR 3 2009
Xylenes, Total MR 3 2009
Vinyl chloride MR 3 2009
Carbon tetrachloride MR 3 2009
Trichloroethylene MR 3 2009
Public Notice Other 2 2010

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 OCEANSIDE WATER DISTRICT.

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 OR4100585 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 MCL 15 SDWIS / OR4100585 / 2950
2024 Lead and Copper Rule MR 6 SDWIS / OR4100585 / 5000
2023 Consumer Confidence Rule Other 1 SDWIS / OR4100585 / 7000
2018 Surface Water Treatment Rule MR 36 SDWIS / OR4100585 / 0200
2018 TTHM MR 18 SDWIS / OR4100585 / 2950
2018 Total Haloacetic Acids (HAA5) MR 18 SDWIS / OR4100585 / 2456
2018 Interim Enhanced Surface Water Treatment Rule MR 5 SDWIS / OR4100585 / 0300
2018 Revised Total Coliform Rule MON 1 SDWIS / OR4100585 / 8000
2010 Public Notice Other 2 SDWIS / OR4100585 / 7500
2009 Coliform (TCR) MR 18 SDWIS / OR4100585 / 3100
2009 Nitrate MR 8 SDWIS / OR4100585 / 1040
2009 cis-1,2-Dichloroethylene MR 3 SDWIS / OR4100585 / 2380
2009 o-Dichlorobenzene MR 3 SDWIS / OR4100585 / 2968
2009 p-Dichlorobenzene MR 3 SDWIS / OR4100585 / 2969
2009 1,1-Dichloroethylene MR 3 SDWIS / OR4100585 / 2977

How OCEANSIDE WATER DISTRICT Compares

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

Metric OCEANSIDE WATER DISTRICT Oregon avg Federal benchmark
Total violations 206 82.1 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 15 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 500 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 OCEANSIDE WATER DISTRICT water safe to drink?
OCEANSIDE WATER DISTRICT (PWS ID: OR4100585) has 206 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 500 people using Surface Water sources.
How many people does OCEANSIDE WATER DISTRICT serve?
OCEANSIDE WATER DISTRICT serves 500 people in OCEANSIDE, Oregon. It is a Local-owned system using Surface Water water sources with 571 service connections.
What type of violations does OCEANSIDE WATER DISTRICT have?
OCEANSIDE WATER DISTRICT has 206 total violations: 15 health-based violations (MCL exceedances or treatment failures), 183 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in OCEANSIDE WATER DISTRICT water?
No PFAS testing data is available for OCEANSIDE WATER DISTRICT under the EPA's UCMR5 monitoring program.
What water source does OCEANSIDE WATER DISTRICT use?
OCEANSIDE WATER DISTRICT 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 Kiznis Studio Editorial