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WILLOW ESTATES MOBILE HOME PK

PWS ID: OR4101354 · GRANTS PASS, Oregon 97527

WILLOW ESTATES MOBILE HOME PK serves 250 people in GRANTS PASS, Oregon using Groundwater water sources. It has 138 recorded EPA violations, including 2 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: WILLOW ESTATES MOBILE HOME PK

WILLOW ESTATES MOBILE HOME PK is a private-owned community water system that delivers drinking water to 250 residents in GRANTS PASS, Oregon (Josephine County) through 170 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 138 total violations for this system , of which 2 (1%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 123 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 17 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. WILLOW ESTATES MOBILE HOME PK's 138 violations sit above the Oregon average. Statewide, 30 of 125 UCMR5-tested systems have reported PFAS detections (24%). 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
250
Total Violations
138
Health-Based Violations
2
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
170
County
Josephine
School/Daycare
No
MCL Violations
2
Monitoring Violations
123
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 17 2012
Nitrate MR 7 2017
Consumer Confidence Rule Other 7 2025
Benzo(a)pyrene MR 3 2014
Carbon tetrachloride MR 2 2005
DICHLOROMETHANE MR 2 2005
Coliform (TCR) MCL 2 2000
Xylenes, Total MR 2 2005
trans-1,2-Dichloroethylene MR 2 2005
Vinyl chloride MR 2 2005
2,4-D MR 2 2014
Antimony, Total MR 2 2005
Beryllium, Total MR 2 2005
CYANIDE MR 2 2005
Nickel MR 2 2005
Thallium, Total MR 2 2005
1,2,4-Trichlorobenzene MR 2 2005
o-Dichlorobenzene MR 2 2005
1,1,1-Trichloroethane MR 2 2005
Trichloroethylene MR 2 2005
1,1,2-Trichloroethane MR 2 2005
Tetrachloroethylene MR 2 2005
CHLOROBENZENE MR 2 2005
Benzene MR 2 2005
Toluene MR 2 2005
Ethylbenzene MR 2 2005
Styrene MR 2 2005
Lead and Copper Rule MR 2 2011
1,2-Dichloropropane MR 2 2005
Di(2-ethylhexyl) adipate MR 2 2014

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 WILLOW ESTATES MOBILE HOME PK.

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 OR4101354 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 7 SDWIS / OR4101354 / 7000
2017 Nitrate MR 7 SDWIS / OR4101354 / 1040
2017 Revised Total Coliform Rule MON 1 SDWIS / OR4101354 / 8000
2014 Benzo(a)pyrene MR 3 SDWIS / OR4101354 / 2306
2014 2,4-D MR 2 SDWIS / OR4101354 / 2105
2014 Di(2-ethylhexyl) adipate MR 2 SDWIS / OR4101354 / 2035
2014 Glyphosate MR 2 SDWIS / OR4101354 / 2034
2014 Di(2-ethylhexyl) phthalate MR 2 SDWIS / OR4101354 / 2039
2012 Coliform (TCR) MR 17 SDWIS / OR4101354 / 3100
2011 Lead and Copper Rule MR 2 SDWIS / OR4101354 / 5000
2008 Combined Uranium MR 1 SDWIS / OR4101354 / 4006
2008 Gross Alpha, Excl. Radon and U MR 1 SDWIS / OR4101354 / 4000
2005 Carbon tetrachloride MR 2 SDWIS / OR4101354 / 2982
2005 DICHLOROMETHANE MR 2 SDWIS / OR4101354 / 2964
2005 Xylenes, Total MR 2 SDWIS / OR4101354 / 2955

How WILLOW ESTATES MOBILE HOME PK Compares

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

Metric WILLOW ESTATES MOBILE HOME PK Oregon avg Federal benchmark
Total violations 138 82.1 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 2 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 250 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is WILLOW ESTATES MOBILE HOME PK water safe to drink? ▼
WILLOW ESTATES MOBILE HOME PK (PWS ID: OR4101354) has 138 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 250 people using Groundwater sources.
How many people does WILLOW ESTATES MOBILE HOME PK serve? ▼
WILLOW ESTATES MOBILE HOME PK serves 250 people in GRANTS PASS, Oregon. It is a Private-owned system using Groundwater water sources with 170 service connections.
What type of violations does WILLOW ESTATES MOBILE HOME PK have? ▼
WILLOW ESTATES MOBILE HOME PK has 138 total violations: 2 health-based violations (MCL exceedances or treatment failures), 123 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in WILLOW ESTATES MOBILE HOME PK water? ▼
No PFAS testing data is available for WILLOW ESTATES MOBILE HOME PK under the EPA's UCMR5 monitoring program.
What water source does WILLOW ESTATES MOBILE HOME PK use? ▼
WILLOW ESTATES MOBILE HOME PK 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.

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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.

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