PlainWater

OCEANSIDE WD - CAPE MEARES

PWS ID: OR4100882 · OCEANSIDE, Oregon 97134-0360

OCEANSIDE WD - CAPE MEARES serves 170 people in OCEANSIDE, Oregon using Surface Water water sources. It has 63 recorded EPA violations, including 4 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: OCEANSIDE WD - CAPE MEARES

OCEANSIDE WD - CAPE MEARES is a local-owned community water system that delivers drinking water to 170 residents in OCEANSIDE, Oregon (Tillamook County) through 225 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 63 total violations for this system , of which 4 (6%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 52 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Surface Water Treatment Rule, recorded in 6 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 WD - CAPE MEARES's 63 violations sit below 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
170
Total Violations
63
Health-Based Violations
4
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
225
County
Tillamook
School/Daycare
No
MCL Violations
4
Monitoring Violations
52
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule MR 6 2018
TTHM MCL 4 2019
Nitrate MR 2 2018
Diquat MR 2 2018
TTHM MR 2 2019
Total Haloacetic Acids (HAA5) MR 2 2019
Revised Total Coliform Rule MON 1 2018
Endrin MR 1 2018
Methoxychlor MR 1 2018
Dalapon MR 1 2018
Endothall MR 1 2018
Glyphosate MR 1 2018
Simazine MR 1 2018
Picloram MR 1 2018
Dinoseb MR 1 2018
Carbofuran MR 1 2018
Atrazine MR 1 2018
LASSO MR 1 2018
HEXACHLOROBENZENE MR 1 2018
Benzo(a)pyrene MR 1 2018
1,2-DIBROMO-3-CHLOROPROPANE MR 1 2018
ETHYLENE DIBROMIDE MR 1 2018
Chlordane MR 1 2018
Arsenic MR 1 1979
Cadmium MR 1 1979
Mercury MR 1 1979
Selenium MR 1 1979
Chromium MR 1 1979
Di(2-ethylhexyl) adipate MR 1 2018
Total Polychlorinated Biphenyls (PCB) MR 1 2018

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 WD - CAPE MEARES.

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 OR4100882 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
2023 Consumer Confidence Rule Other 1 SDWIS / OR4100882 / 7000
2019 TTHM MCL 4 SDWIS / OR4100882 / 2950
2019 TTHM MR 2 SDWIS / OR4100882 / 2950
2019 Total Haloacetic Acids (HAA5) MR 2 SDWIS / OR4100882 / 2456
2018 Surface Water Treatment Rule MR 6 SDWIS / OR4100882 / 0200
2018 Nitrate MR 2 SDWIS / OR4100882 / 1040
2018 Diquat MR 2 SDWIS / OR4100882 / 2032
2018 Revised Total Coliform Rule MON 1 SDWIS / OR4100882 / 8000
2018 Endrin MR 1 SDWIS / OR4100882 / 2005
2018 Methoxychlor MR 1 SDWIS / OR4100882 / 2015
2018 Dalapon MR 1 SDWIS / OR4100882 / 2031
2018 Endothall MR 1 SDWIS / OR4100882 / 2033
2018 Glyphosate MR 1 SDWIS / OR4100882 / 2034
2018 Simazine MR 1 SDWIS / OR4100882 / 2037
2018 Picloram MR 1 SDWIS / OR4100882 / 2040

How OCEANSIDE WD - CAPE MEARES Compares

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

Metric OCEANSIDE WD - CAPE MEARES Oregon avg Federal benchmark
Total violations 63 82.1 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 4 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 170 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 WD - CAPE MEARES water safe to drink?
OCEANSIDE WD - CAPE MEARES (PWS ID: OR4100882) has 63 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 170 people using Surface Water sources.
How many people does OCEANSIDE WD - CAPE MEARES serve?
OCEANSIDE WD - CAPE MEARES serves 170 people in OCEANSIDE, Oregon. It is a Local-owned system using Surface Water water sources with 225 service connections.
What type of violations does OCEANSIDE WD - CAPE MEARES have?
OCEANSIDE WD - CAPE MEARES has 63 total violations: 4 health-based violations (MCL exceedances or treatment failures), 52 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in OCEANSIDE WD - CAPE MEARES water?
No PFAS testing data is available for OCEANSIDE WD - CAPE MEARES under the EPA's UCMR5 monitoring program.
What water source does OCEANSIDE WD - CAPE MEARES use?
OCEANSIDE WD - CAPE MEARES 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 PlainWater Editorial