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Community Water System · PWS OR4100871

Foley Lakes Mobile Home Park

The Dalles, Oregon 97058 - drinking water served from groundwater sources to 300 people, tracked in EPA SDWIS and UCMR5.

300
People served
186
EPA violations
1
Health-based
Untested
UCMR5 result

The verdict

EPA records 186 drinking-water violations at Foley Lakes Mobile Home Park, 1% of them health-based - above the Oregon per-system average.

186
Total EPA violations on record
1%
Health-based (MCL / treatment failure)
300
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Foley Lakes Mobile Home Park

Foley Lakes Mobile Home Park is a private-owned community water system that delivers drinking water to 300 residents in The Dalles, Oregon (Wasco County) through 145 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 186 total violations for this system , of which 1 (1%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 174 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 COLIPHAGE, recorded in 18 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. Statewide, 30 of 125 UCMR5-tested systems have reported PFAS detections (24%).

Foley Lakes Mobile Home Park's 186 violations sit above the Oregon average.

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
300
Total Violations
186
Health-Based Violations
1
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
145
County
Wasco
School/Daycare
No
MCL Violations
1
Monitoring Violations
174
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
COLIPHAGE MR 18 2021
Coliform (TCR) MR 15 2003
Nitrate MR 11 2007
Consumer Confidence Rule Other 5 2023
Lead and Copper Rule MR 4 2005
Gross Alpha, Excl. Radon and U MR 3 1996
TTHM MR 3 2016
Total Haloacetic Acids (HAA5) MR 3 2016
1,2,4-Trichlorobenzene MR 2 2005
cis-1,2-Dichloroethylene MR 2 2005
Xylenes, Total MR 2 2005
DICHLOROMETHANE MR 2 2005
Vinyl chloride MR 2 2005
1,1-Dichloroethylene MR 2 2005
trans-1,2-Dichloroethylene MR 2 2005
1,2-Dichloroethane MR 2 2005
1,2-Dichloropropane MR 2 2005
CHLOROBENZENE MR 2 2005
Toluene MR 2 2005
Styrene MR 2 2005
BHC-GAMMA MR 2 2005
Diquat MR 2 2005
Endothall MR 2 2005
Glyphosate MR 2 2005
Di(2-ethylhexyl) adipate MR 2 2005
Simazine MR 2 2005
Di(2-ethylhexyl) phthalate MR 2 2005
Picloram MR 2 2005
Hexachlorocyclopentadiene MR 2 2005
Carbofuran MR 2 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 Foley Lakes Mobile Home Park.

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 OR4100871 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 5 SDWIS / OR4100871 / 7000
2023 E. COLI MR 1 SDWIS / OR4100871 / 3014
2021 COLIPHAGE MR 18 SDWIS / OR4100871 / 3028
2021 Revised Total Coliform Rule MON 2 SDWIS / OR4100871 / 8000
2016 TTHM MR 3 SDWIS / OR4100871 / 2950
2016 Total Haloacetic Acids (HAA5) MR 3 SDWIS / OR4100871 / 2456
2007 Nitrate MR 11 SDWIS / OR4100871 / 1040
2005 Lead and Copper Rule MR 4 SDWIS / OR4100871 / 5000
2005 1,2,4-Trichlorobenzene MR 2 SDWIS / OR4100871 / 2378
2005 cis-1,2-Dichloroethylene MR 2 SDWIS / OR4100871 / 2380
2005 Xylenes, Total MR 2 SDWIS / OR4100871 / 2955
2005 DICHLOROMETHANE MR 2 SDWIS / OR4100871 / 2964
2005 Vinyl chloride MR 2 SDWIS / OR4100871 / 2976
2005 1,1-Dichloroethylene MR 2 SDWIS / OR4100871 / 2977
2005 trans-1,2-Dichloroethylene MR 2 SDWIS / OR4100871 / 2979

How Foley Lakes Mobile Home Park Compares

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

Metric Foley Lakes Mobile Home Park Oregon avg Federal benchmark
Total violations 186 82.1 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 1 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 300 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 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Foley Lakes Mobile Home Park water safe to drink? ▼
Foley Lakes Mobile Home Park (PWS ID: OR4100871) has 186 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 300 people using Groundwater sources.
How many people does Foley Lakes Mobile Home Park serve? ▼
Foley Lakes Mobile Home Park serves 300 people in The Dalles, Oregon. It is a Private-owned system using Groundwater water sources with 145 service connections.
What type of violations does Foley Lakes Mobile Home Park have? ▼
Foley Lakes Mobile Home Park has 186 total violations: 1 health-based violations (MCL exceedances or treatment failures), 174 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Foley Lakes Mobile Home Park water? ▼
No PFAS testing data is available for Foley Lakes Mobile Home Park under the EPA's UCMR5 monitoring program.
What water source does Foley Lakes Mobile Home Park use? ▼
Foley Lakes Mobile Home Park 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.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.