OCEAN SHORES WATER DEPT

Q: Is OCEAN SHORES WATER DEPT water safe to drink?

OCEAN SHORES WATER DEPT (PWS ID: WA5363008) has 152 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 9,347 people using Groundwater sources.

Q: What type of violations does OCEAN SHORES WATER DEPT have?

OCEAN SHORES WATER DEPT has 152 total violations: 10 health-based violations (MCL exceedances or treatment failures), 135 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.

Q: Has PFAS been detected in OCEAN SHORES WATER DEPT water?

No. OCEAN SHORES WATER DEPT was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.

Q: What water source does OCEAN SHORES WATER DEPT use?

OCEAN SHORES WATER DEPT 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: WA5363008 · Hoquiam, Washington 98550

OCEAN SHORES WATER DEPT serves 9,347 people in Hoquiam, Washington using Groundwater water sources. It has 152 recorded EPA violations, including 10 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: OCEAN SHORES WATER DEPT

OCEAN SHORES WATER DEPT is a local-owned community water system that delivers drinking water to 9,347 residents in Hoquiam, Washington (Grays Harbor County) through 7,820 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 152 total violations for this system , of which 10 (7%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 135 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 16 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 Washington, EPA tracks 4,557 public water systems serving 9,736,844 people, with 314,648 cumulative violations and 20,590 health-based violations on record. About 92% of systems in the state carry at least one violation, and state-wide the average per system is 69 violations. OCEAN SHORES WATER DEPT's 152 violations sit above the Washington average. Statewide, 98 of 247 UCMR5-tested systems have reported PFAS detections (39.7%). 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

9,347

Total Violations

152

Health-Based Violations

Water Source

Groundwater

System Details

System Type: Community
Owner Type: Local
Connections: 7,820
County: Grays Harbor
School/Daycare: No
MCL Violations: 10
Monitoring Violations: 135
Treatment Tech Violations: 0

Violation History

Contaminant violations recorded by EPA.

Contaminant	Category	Count	Latest
Coliform (TCR)	MR	16	2003
Lead and Copper Rule	MR	11	2002
Coliform (TCR)	MCL	10	2000
Diquat	MR	9	2007
Pentachlorophenol	MR	7	2002
Dalapon	MR	4	2002
Picloram	MR	4	2002
Dinoseb	MR	4	2002
OXAMYL	MR	4	2002
Aldicarb sulfone	MR	4	2002
Carbofuran	MR	4	2002
2,4,5-TP	MR	4	2002
Aldicarb sulfoxide	MR	4	2002
Aldicarb	MR	4	2002
Consumer Confidence Rule	Other	4	2016
Endrin	MR	3	2002
Methoxychlor	MR	3	2002
Toxaphene	MR	3	2002
Di(2-ethylhexyl) phthalate	MR	3	2002
Hexachlorocyclopentadiene	MR	3	2002
LASSO	MR	3	2002
Heptachlor	MR	3	2002
Heptachlor epoxide	MR	3	2002
Benzo(a)pyrene	MR	3	2002
BHC-GAMMA	MR	3	2002
Di(2-ethylhexyl) adipate	MR	3	2002
Simazine	MR	3	2002
Atrazine	MR	3	2002
Chlordane	MR	3	2002
HEXACHLOROBENZENE	MR	3	2002

PFAS Testing Results (UCMR5)

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

Contaminant	Date	Result	MRL	Status
PFTrDA	6/18/2024	<0.007 µg/L	0.007 µg/L	Not Detected
NEtFOSAA	6/18/2024	<0.005 µg/L	0.005 µg/L	Not Detected
PFTA	6/18/2024	<0.008 µg/L	0.008 µg/L	Not Detected
NMeFOSAA	6/18/2024	<0.006 µg/L	0.006 µg/L	Not Detected
PFHpA	6/18/2024	<0.003 µg/L	0.003 µg/L	Not Detected
lithium	6/18/2024	<9 µg/L	9 µg/L	Not Detected
8:2 FTS	6/18/2024	<0.005 µg/L	0.005 µg/L	Not Detected
PFDA	6/18/2024	<0.003 µg/L	0.003 µg/L	Not Detected
PFDoA	6/18/2024	<0.003 µg/L	0.003 µg/L	Not Detected
PFHxA	6/18/2024	<0.003 µg/L	0.003 µg/L	Not Detected
PFUnA	6/18/2024	<0.002 µg/L	0.002 µg/L	Not Detected
11Cl-PF3OUdS	6/18/2024	<0.005 µg/L	0.005 µg/L	Not Detected
9Cl-PF3ONS	6/18/2024	<0.002 µg/L	0.002 µg/L	Not Detected
ADONA	6/18/2024	<0.003 µg/L	0.003 µg/L	Not Detected
HFPO-DA	6/18/2024	<0.005 µg/L	0.005 µg/L	Not Detected
PFBA	6/18/2024	<0.005 µg/L	0.005 µg/L	Not Detected
PFNA	6/18/2024	<0.004 µg/L	0.004 µg/L	Not Detected
4:2 FTS	6/18/2024	<0.003 µg/L	0.003 µg/L	Not Detected
PFOA	6/18/2024	<0.004 µg/L	0.004 µg/L	Not Detected
PFMPA	6/18/2024	<0.004 µg/L	0.004 µg/L	Not Detected
PFPeA	6/18/2024	<0.003 µg/L	0.003 µg/L	Not Detected
PFMBA	6/18/2024	<0.003 µg/L	0.003 µg/L	Not Detected
PFEESA	6/18/2024	<0.003 µg/L	0.003 µg/L	Not Detected
NFDHA	6/18/2024	<0.02 µg/L	0.02 µg/L	Not Detected
PFPeS	6/18/2024	<0.004 µg/L	0.004 µg/L	Not Detected
PFHpS	6/18/2024	<0.003 µg/L	0.003 µg/L	Not Detected
PFBS	6/18/2024	<0.003 µg/L	0.003 µg/L	Not Detected
PFHxS	6/18/2024	<0.003 µg/L	0.003 µg/L	Not Detected
PFOS	6/18/2024	<0.004 µg/L	0.004 µg/L	Not Detected
6:2 FTS	6/18/2024	<0.005 µg/L	0.005 µg/L	Not Detected
PFHxS	12/17/2024	<0.003 µg/L	0.003 µg/L	Not Detected
HFPO-DA	12/17/2024	<0.005 µg/L	0.005 µg/L	Not Detected
NMeFOSAA	12/17/2024	<0.006 µg/L	0.006 µg/L	Not Detected
NEtFOSAA	12/17/2024	<0.005 µg/L	0.005 µg/L	Not Detected
PFTrDA	12/17/2024	<0.007 µg/L	0.007 µg/L	Not Detected
PFTA	12/17/2024	<0.008 µg/L	0.008 µg/L	Not Detected
PFHpS	12/17/2024	<0.003 µg/L	0.003 µg/L	Not Detected
PFPeS	12/17/2024	<0.004 µg/L	0.004 µg/L	Not Detected
NFDHA	12/17/2024	<0.02 µg/L	0.02 µg/L	Not Detected
PFEESA	12/17/2024	<0.003 µg/L	0.003 µg/L	Not Detected
PFMBA	12/17/2024	<0.003 µg/L	0.003 µg/L	Not Detected
PFPeA	12/17/2024	<0.003 µg/L	0.003 µg/L	Not Detected
PFMPA	12/17/2024	<0.004 µg/L	0.004 µg/L	Not Detected
lithium	12/17/2024	<9 µg/L	9 µg/L	Not Detected
PFBA	12/17/2024	<0.005 µg/L	0.005 µg/L	Not Detected
8:2 FTS	12/17/2024	<0.005 µg/L	0.005 µg/L	Not Detected
ADONA	12/17/2024	<0.003 µg/L	0.003 µg/L	Not Detected
9Cl-PF3ONS	12/17/2024	<0.002 µg/L	0.002 µg/L	Not Detected
11Cl-PF3OUdS	12/17/2024	<0.005 µg/L	0.005 µg/L	Not Detected
PFUnA	12/17/2024	<0.002 µg/L	0.002 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 OCEAN SHORES WATER DEPT.

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 WA5363008 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Washington Drinking Water Authority

Washington State Department of Health — Office of Drinking Water is the primacy agency that licenses and inspects OCEAN SHORES WATER DEPT under EPA-delegated authority.

Open WA regulator portal

Source: Washington State Department of Health — Office of Drinking Water

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
2022	Nitrate	MR	2	SDWIS / WA5363008 / 1040
2020	Arsenic	MR	2	SDWIS / WA5363008 / 1005
2016	Consumer Confidence Rule	Other	4	SDWIS / WA5363008 / 7000
2007	Diquat	MR	9	SDWIS / WA5363008 / 2032
2003	Coliform (TCR)	MR	16	SDWIS / WA5363008 / 3100
2002	Lead and Copper Rule	MR	11	SDWIS / WA5363008 / 5000
2002	Pentachlorophenol	MR	7	SDWIS / WA5363008 / 2326
2002	Dalapon	MR	4	SDWIS / WA5363008 / 2031
2002	Picloram	MR	4	SDWIS / WA5363008 / 2040
2002	Dinoseb	MR	4	SDWIS / WA5363008 / 2041
2002	OXAMYL	MR	4	SDWIS / WA5363008 / 2036
2002	Aldicarb sulfone	MR	4	SDWIS / WA5363008 / 2044
2002	Carbofuran	MR	4	SDWIS / WA5363008 / 2046
2002	2,4,5-TP	MR	4	SDWIS / WA5363008 / 2110
2002	Aldicarb sulfoxide	MR	4	SDWIS / WA5363008 / 2043

How OCEAN SHORES WATER DEPT Compares

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

Metric	OCEAN SHORES WATER DEPT	Washington avg	Federal benchmark
Total violations	152	69	SDWA compliance — any non-zero count is a recorded breach
Health-based violations	10	4.5	Indicates a contaminant exceeded a federal MCL
PFAS detection	None	39.7%	EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served	9,347	2,137	Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 4,557 regulated public water systems in Washington.

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 OCEAN SHORES WATER DEPT water safe to drink? ▼

OCEAN SHORES WATER DEPT (PWS ID: WA5363008) has 152 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 9,347 people using Groundwater sources.

How many people does OCEAN SHORES WATER DEPT serve? ▼

OCEAN SHORES WATER DEPT serves 9,347 people in Hoquiam, Washington. It is a Local-owned system using Groundwater water sources with 7,820 service connections.

What type of violations does OCEAN SHORES WATER DEPT have? ▼

OCEAN SHORES WATER DEPT has 152 total violations: 10 health-based violations (MCL exceedances or treatment failures), 135 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.

Has PFAS been detected in OCEAN SHORES WATER DEPT water? ▼

No. OCEAN SHORES WATER DEPT was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.

What water source does OCEAN SHORES WATER DEPT use? ▼

OCEAN SHORES WATER DEPT 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

Water in Washington

All systems in state

All States

Water quality by state

Contaminants

PFAS & other pollutants

Guides

Understanding water quality

Related Data for Washington

Environmental Data → Natural Hazards → Air Quality → Healthcare Access → Climate Data →

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.

Browse all → | Rankings →

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial