PlainWater

RATHBONE PARK WATER ASSOC

PWS ID: WA5371290 · Ferndale, Washington 98248

RATHBONE PARK WATER ASSOC serves 240 people in Ferndale, Washington using Groundwater water sources. It has 381 recorded EPA violations, including 68 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: RATHBONE PARK WATER ASSOC

RATHBONE PARK WATER ASSOC is a private-owned community water system that delivers drinking water to 240 residents in Ferndale, Washington (Whatcom County) through 65 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 381 total violations for this system , of which 68 (18%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 300 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 Nitrate, recorded in 67 violations (MCL, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

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. RATHBONE PARK WATER ASSOC's 381 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
240
Total Violations
381
Health-Based Violations
68
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
65
County
Whatcom
School/Daycare
No
MCL Violations
68
Monitoring Violations
300
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MCL 67 2017
Nitrate MR 14 2009
Pentachlorophenol MR 6 2005
Coliform (TCR) MR 6 1995
cis-1,2-Dichloroethylene MR 5 2005
DICHLOROMETHANE MR 5 2005
p-Dichlorobenzene MR 5 2005
1,1,1-Trichloroethane MR 5 2005
Carbon tetrachloride MR 5 2005
1,2-Dichloropropane MR 5 2005
Trichloroethylene MR 5 2005
1,1,2-Trichloroethane MR 5 2005
Benzene MR 5 2005
Toluene MR 5 2005
Ethylbenzene MR 5 2005
Endrin MR 5 2005
Methoxychlor MR 5 2005
Toxaphene MR 5 2005
Di(2-ethylhexyl) adipate MR 5 2005
Simazine MR 5 2005
Atrazine MR 5 2005
Heptachlor MR 5 2005
Heptachlor epoxide MR 5 2005
2,4,5-TP MR 5 2005
Aldicarb sulfoxide MR 5 2005
Aldicarb sulfone MR 5 2005
ETHYLENE DIBROMIDE MR 5 2005
BHC-GAMMA MR 5 2005
trans-1,2-Dichloroethylene MR 5 2005
Dalapon MR 5 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 RATHBONE PARK WATER ASSOC.

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 WA5371290 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 RATHBONE PARK WATER ASSOC 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
2025 Consumer Confidence Rule Other 4 SDWIS / WA5371290 / 7000
2017 Nitrate MCL 67 SDWIS / WA5371290 / 1040
2009 Nitrate MR 14 SDWIS / WA5371290 / 1040
2005 Pentachlorophenol MR 6 SDWIS / WA5371290 / 2326
2005 cis-1,2-Dichloroethylene MR 5 SDWIS / WA5371290 / 2380
2005 DICHLOROMETHANE MR 5 SDWIS / WA5371290 / 2964
2005 p-Dichlorobenzene MR 5 SDWIS / WA5371290 / 2969
2005 1,1,1-Trichloroethane MR 5 SDWIS / WA5371290 / 2981
2005 Carbon tetrachloride MR 5 SDWIS / WA5371290 / 2982
2005 1,2-Dichloropropane MR 5 SDWIS / WA5371290 / 2983
2005 Trichloroethylene MR 5 SDWIS / WA5371290 / 2984
2005 1,1,2-Trichloroethane MR 5 SDWIS / WA5371290 / 2985
2005 Benzene MR 5 SDWIS / WA5371290 / 2990
2005 Toluene MR 5 SDWIS / WA5371290 / 2991
2005 Ethylbenzene MR 5 SDWIS / WA5371290 / 2992

How RATHBONE PARK WATER ASSOC Compares

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

Metric RATHBONE PARK WATER ASSOC Washington avg Federal benchmark
Total violations 381 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 68 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 240 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 RATHBONE PARK WATER ASSOC water safe to drink?
RATHBONE PARK WATER ASSOC (PWS ID: WA5371290) has 381 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 240 people using Groundwater sources.
How many people does RATHBONE PARK WATER ASSOC serve?
RATHBONE PARK WATER ASSOC serves 240 people in Ferndale, Washington. It is a Private-owned system using Groundwater water sources with 65 service connections.
What type of violations does RATHBONE PARK WATER ASSOC have?
RATHBONE PARK WATER ASSOC has 381 total violations: 68 health-based violations (MCL exceedances or treatment failures), 300 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in RATHBONE PARK WATER ASSOC water?
No PFAS testing data is available for RATHBONE PARK WATER ASSOC under the EPA's UCMR5 monitoring program.
What water source does RATHBONE PARK WATER ASSOC use?
RATHBONE PARK WATER ASSOC 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