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DARNEILLE ESTATES

PWS ID: OR4101381 · GRANTS PASS, Oregon 97527

DARNEILLE ESTATES serves 47 people in GRANTS PASS, Oregon using Groundwater water sources. It has 23 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: DARNEILLE ESTATES

DARNEILLE ESTATES is a private-owned community water system that delivers drinking water to 47 residents in GRANTS PASS, Oregon (Josephine County) through 17 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 23 total violations for this system , of which 0 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 12 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Consumer Confidence Rule, recorded in 7 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. DARNEILLE ESTATES's 23 violations sit below 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
47
Total Violations
23
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
17
County
Josephine
School/Daycare
No
MCL Violations
0
Monitoring Violations
12
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Consumer Confidence Rule Other 7 2024
Coliform (TCR) MR 1 2000
Antimony, Total MR 1 2005
Beryllium, Total MR 1 2005
Barium MR 1 2005
Selenium MR 1 2005
Nickel MR 1 2005
Cadmium MR 1 2005
CYANIDE MR 1 2005
Thallium, Total MR 1 2005
Mercury MR 1 2005
Fluoride MR 1 2005
Chromium MR 1 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 DARNEILLE 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 OR4101381 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
2024 Consumer Confidence Rule Other 7 SDWIS / OR4101381 / 7000
2005 Antimony, Total MR 1 SDWIS / OR4101381 / 1074
2005 Beryllium, Total MR 1 SDWIS / OR4101381 / 1075
2005 Barium MR 1 SDWIS / OR4101381 / 1010
2005 Selenium MR 1 SDWIS / OR4101381 / 1045
2005 Nickel MR 1 SDWIS / OR4101381 / 1036
2005 Cadmium MR 1 SDWIS / OR4101381 / 1015
2005 CYANIDE MR 1 SDWIS / OR4101381 / 1024
2005 Thallium, Total MR 1 SDWIS / OR4101381 / 1085
2005 Mercury MR 1 SDWIS / OR4101381 / 1035
2005 Fluoride MR 1 SDWIS / OR4101381 / 1025
2005 Chromium MR 1 SDWIS / OR4101381 / 1020
2000 Coliform (TCR) MR 1 SDWIS / OR4101381 / 3100

How DARNEILLE ESTATES Compares

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

Metric DARNEILLE ESTATES Oregon avg Federal benchmark
Total violations 23 82.1 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 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 47 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 DARNEILLE ESTATES water safe to drink?
DARNEILLE ESTATES (PWS ID: OR4101381) has 23 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 47 people using Groundwater sources.
How many people does DARNEILLE ESTATES serve?
DARNEILLE ESTATES serves 47 people in GRANTS PASS, Oregon. It is a Private-owned system using Groundwater water sources with 17 service connections.
What type of violations does DARNEILLE ESTATES have?
DARNEILLE ESTATES has 23 total violations: 0 health-based violations (MCL exceedances or treatment failures), 12 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in DARNEILLE ESTATES water?
No PFAS testing data is available for DARNEILLE ESTATES under the EPA's UCMR5 monitoring program.
What water source does DARNEILLE ESTATES use?
DARNEILLE 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.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial