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Community Water System · PWS OR4100793

Country Villa Mobile Estates

Tigard, Oregon 97224 - drinking water served from groundwater sources to 90 people, tracked in EPA SDWIS and UCMR5.

90
People served
145
EPA violations
4
Health-based
Untested
UCMR5 result

The verdict

EPA records 145 drinking-water violations at Country Villa Mobile Estates, 3% of them health-based - above the Oregon per-system average.

145
Total EPA violations on record
3%
Health-based (MCL / treatment failure)
90
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Country Villa Mobile Estates

Country Villa Mobile Estates is a private-owned community water system that delivers drinking water to 90 residents in Tigard, Oregon (Columbia County) through 60 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 145 total violations for this system , of which 4 (3%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 132 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 Lead and Copper Rule, recorded in 7 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%).

Country Villa Mobile Estates's 145 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
90
Total Violations
145
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
60
County
Columbia
School/Daycare
No
MCL Violations
4
Monitoring Violations
132
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 7 2024
Coliform (TCR) MR 5 2015
Coliform (TCR) MCL 4 2014
Nitrate MR 4 2013
Consumer Confidence Rule Other 4 2025
Revised Total Coliform Rule MON 3 2024
DICHLOROMETHANE MR 2 1999
o-Dichlorobenzene MR 2 1999
p-Dichlorobenzene MR 2 1999
Tetrachloroethylene MR 2 1999
Toluene MR 2 1999
Xylenes, Total MR 2 1999
Trichloroethylene MR 2 1999
2,4-D MR 2 1999
2,4,5-TP MR 2 1999
Di(2-ethylhexyl) adipate MR 2 1999
LASSO MR 2 1999
Atrazine MR 2 1999
Carbofuran MR 2 1999
Diquat MR 2 1999
Endrin MR 2 1999
Pentachlorophenol MR 2 1999
Di(2-ethylhexyl) phthalate MR 2 1999
Total Polychlorinated Biphenyls (PCB) MR 2 1999
Simazine MR 2 1999
Arsenic MR 2 1999
Beryllium, Total MR 2 1999
CYANIDE MR 2 1999
Thallium, Total MR 2 1999
1,1,2-Trichloroethane MR 2 1999

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 Country Villa Mobile Estates.

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 OR4100793 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
2025 Consumer Confidence Rule Other 4 SDWIS / OR4100793 / 7000
2024 Lead and Copper Rule MR 7 SDWIS / OR4100793 / 5000
2024 Revised Total Coliform Rule MON 3 SDWIS / OR4100793 / 8000
2022 E. COLI MR 1 SDWIS / OR4100793 / 3014
2015 Coliform (TCR) MR 5 SDWIS / OR4100793 / 3100
2014 Coliform (TCR) MCL 4 SDWIS / OR4100793 / 3100
2013 Nitrate MR 4 SDWIS / OR4100793 / 1040
1999 DICHLOROMETHANE MR 2 SDWIS / OR4100793 / 2964
1999 o-Dichlorobenzene MR 2 SDWIS / OR4100793 / 2968
1999 p-Dichlorobenzene MR 2 SDWIS / OR4100793 / 2969
1999 Tetrachloroethylene MR 2 SDWIS / OR4100793 / 2987
1999 Toluene MR 2 SDWIS / OR4100793 / 2991
1999 Xylenes, Total MR 2 SDWIS / OR4100793 / 2955
1999 Trichloroethylene MR 2 SDWIS / OR4100793 / 2984
1999 2,4-D MR 2 SDWIS / OR4100793 / 2105

How Country Villa Mobile Estates Compares

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

Metric Country Villa Mobile Estates Oregon avg Federal benchmark
Total violations 145 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 90 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 Country Villa Mobile Estates water safe to drink? ▼
Country Villa Mobile Estates (PWS ID: OR4100793) has 145 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 90 people using Groundwater sources.
How many people does Country Villa Mobile Estates serve? ▼
Country Villa Mobile Estates serves 90 people in Tigard, Oregon. It is a Private-owned system using Groundwater water sources with 60 service connections.
What type of violations does Country Villa Mobile Estates have? ▼
Country Villa Mobile Estates has 145 total violations: 4 health-based violations (MCL exceedances or treatment failures), 132 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Country Villa Mobile Estates water? ▼
No PFAS testing data is available for Country Villa Mobile Estates under the EPA's UCMR5 monitoring program.
What water source does Country Villa Mobile Estates use? ▼
Country Villa Mobile Estates 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.