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Community Water System · PWS OR4100048

Clayton Creek Mh Estates

Ashland, Oregon 97520 - drinking water served from groundwater sources to 165 people, tracked in EPA SDWIS and UCMR5.

165
People served
28
EPA violations
1
Health-based
Untested
UCMR5 result

The verdict

EPA records 28 drinking-water violations at Clayton Creek Mh Estates, 4% of them health-based - below the Oregon per-system average.

28
Total EPA violations on record
4%
Health-based (MCL / treatment failure)
165
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Clayton Creek Mh Estates

Clayton Creek Mh Estates is a private-owned community water system that delivers drinking water to 165 residents in Ashland, Oregon (Jackson County) through 55 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 28 total violations for this system , of which 1 (4%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 11 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 Consumer Confidence Rule, recorded in 10 violations (Other). 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%).

Clayton Creek Mh Estates's 28 violations sit below 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
165
Total Violations
28
Health-Based Violations
1
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
55
County
Jackson
School/Daycare
No
MCL Violations
1
Monitoring Violations
11
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Consumer Confidence Rule Other 10 2023
Nitrate MR 4 2003
Coliform (TCR) MR 2 2002
Lead and Copper Rule MR 2 2003
Coliform (TCR) MCL 1 2001
Gross Alpha, Excl. Radon and U MR 1 1976
Nickel MR 1 1999
Combined Radium (-226 and -228) MR 1 1976

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 Clayton Creek Mh 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 OR4100048 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 10 SDWIS / OR4100048 / 7000
2003 Nitrate MR 4 SDWIS / OR4100048 / 1040
2003 Lead and Copper Rule MR 2 SDWIS / OR4100048 / 5000
2002 Coliform (TCR) MR 2 SDWIS / OR4100048 / 3100
2001 Coliform (TCR) MCL 1 SDWIS / OR4100048 / 3100
1999 Nickel MR 1 SDWIS / OR4100048 / 1036
1976 Gross Alpha, Excl. Radon and U MR 1 SDWIS / OR4100048 / 4000
1976 Combined Radium (-226 and -228) MR 1 SDWIS / OR4100048 / 4010

How Clayton Creek Mh Estates Compares

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

Metric Clayton Creek Mh Estates Oregon avg Federal benchmark
Total violations 28 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 165 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 Clayton Creek Mh Estates water safe to drink? ▼
Clayton Creek Mh Estates (PWS ID: OR4100048) has 28 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 165 people using Groundwater sources.
How many people does Clayton Creek Mh Estates serve? ▼
Clayton Creek Mh Estates serves 165 people in Ashland, Oregon. It is a Private-owned system using Groundwater water sources with 55 service connections.
What type of violations does Clayton Creek Mh Estates have? ▼
Clayton Creek Mh Estates has 28 total violations: 1 health-based violations (MCL exceedances or treatment failures), 11 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Clayton Creek Mh Estates water? ▼
No PFAS testing data is available for Clayton Creek Mh Estates under the EPA's UCMR5 monitoring program.
What water source does Clayton Creek Mh Estates use? ▼
Clayton Creek Mh 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.