PlainWater
States → Oregon

Community Water System · PWS OR4101182

Country Garden Estates MHP

Walterville, Oregon 97489 - drinking water served from groundwater sources to 175 people, tracked in EPA SDWIS and UCMR5.

175
People served
230
EPA violations
14
Health-based
Untested
UCMR5 result

The verdict

EPA records 230 drinking-water violations at Country Garden Estates MHP, 6% of them health-based - above the Oregon per-system average.

230
Total EPA violations on record
6%
Health-based (MCL / treatment failure)
175
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Country Garden Estates MHP

Country Garden Estates MHP is a private-owned community water system that delivers drinking water to 175 residents in Walterville, Oregon (Morrow County) through 35 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 230 total violations for this system , of which 14 (6%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 213 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 Coliform (TCR), recorded in 45 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 Garden Estates MHP's 230 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
175
Total Violations
230
Health-Based Violations
14
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
35
County
Morrow
School/Daycare
No
MCL Violations
13
Monitoring Violations
213
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 45 2013
COLIPHAGE MR 14 2025
Coliform (TCR) MCL 13 2004
Nitrate MR 11 2019
Combined Radium (-226 and -228) MR 11 2014
E. COLI MR 8 2023
Revised Total Coliform Rule MON 4 2020
Lead and Copper Rule MR 3 2017
OXAMYL MR 3 2017
Total Haloacetic Acids (HAA5) MR 2 2020
Endrin MR 2 2017
Diquat MR 2 2017
Di(2-ethylhexyl) adipate MR 2 2017
Simazine MR 2 2017
Carbofuran MR 2 2017
Atrazine MR 2 2017
HEXACHLOROBENZENE MR 2 2017
Total Polychlorinated Biphenyls (PCB) MR 2 2017
cis-1,2-Dichloroethylene MR 2 2017
Xylenes, Total MR 2 2017
o-Dichlorobenzene MR 2 2017
p-Dichlorobenzene MR 2 2017
Vinyl chloride MR 2 2017
1,1-Dichloroethylene MR 2 2017
Carbon tetrachloride MR 2 2017
1,2-Dichloropropane MR 2 2017
Trichloroethylene MR 2 2017
Tetrachloroethylene MR 2 2017
CHLOROBENZENE MR 2 2017
Benzene MR 2 2017

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 Garden Estates MHP.

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 OR4101182 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 COLIPHAGE MR 14 SDWIS / OR4101182 / 3028
2023 E. COLI MR 8 SDWIS / OR4101182 / 3014
2021 Revised Total Coliform Rule TT 1 SDWIS / OR4101182 / 8000
2020 Revised Total Coliform Rule MON 4 SDWIS / OR4101182 / 8000
2020 Total Haloacetic Acids (HAA5) MR 2 SDWIS / OR4101182 / 2456
2019 Nitrate MR 11 SDWIS / OR4101182 / 1040
2017 Lead and Copper Rule MR 3 SDWIS / OR4101182 / 5000
2017 OXAMYL MR 3 SDWIS / OR4101182 / 2036
2017 Endrin MR 2 SDWIS / OR4101182 / 2005
2017 Diquat MR 2 SDWIS / OR4101182 / 2032
2017 Di(2-ethylhexyl) adipate MR 2 SDWIS / OR4101182 / 2035
2017 Simazine MR 2 SDWIS / OR4101182 / 2037
2017 Carbofuran MR 2 SDWIS / OR4101182 / 2046
2017 Atrazine MR 2 SDWIS / OR4101182 / 2050
2017 HEXACHLOROBENZENE MR 2 SDWIS / OR4101182 / 2274

How Country Garden Estates MHP Compares

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

Metric Country Garden Estates MHP Oregon avg Federal benchmark
Total violations 230 82.1 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 14 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 175 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 Garden Estates MHP water safe to drink? ▼
Country Garden Estates MHP (PWS ID: OR4101182) has 230 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 175 people using Groundwater sources.
How many people does Country Garden Estates MHP serve? ▼
Country Garden Estates MHP serves 175 people in Walterville, Oregon. It is a Private-owned system using Groundwater water sources with 35 service connections.
What type of violations does Country Garden Estates MHP have? ▼
Country Garden Estates MHP has 230 total violations: 14 health-based violations (MCL exceedances or treatment failures), 213 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Country Garden Estates MHP water? ▼
No PFAS testing data is available for Country Garden Estates MHP under the EPA's UCMR5 monitoring program.
What water source does Country Garden Estates MHP use? ▼
Country Garden Estates MHP 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.