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CHEHALEM MTN SUN RIDGE WATER CO

PWS ID: OR4100562 · NEWBERG, Oregon 97132

CHEHALEM MTN SUN RIDGE WATER CO serves 70 people in NEWBERG, Oregon using Groundwater water sources. It has 103 recorded EPA violations, including 5 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: CHEHALEM MTN SUN RIDGE WATER CO

CHEHALEM MTN SUN RIDGE WATER CO is a private-owned community water system that delivers drinking water to 70 residents in NEWBERG, Oregon (Yamhill County) through 25 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 103 total violations for this system , of which 5 (5%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 90 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 Coliform (TCR), recorded in 6 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. CHEHALEM MTN SUN RIDGE WATER CO's 103 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
70
Total Violations
103
Health-Based Violations
5
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
25
County
Yamhill
School/Daycare
No
MCL Violations
2
Monitoring Violations
90
Treatment Tech Violations
3

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 6 1994
Lead and Copper Rule MR 5 2021
Lead and Copper Rule TT 3 2000
BHC-GAMMA MR 2 2005
Nitrite MR 2 2002
Barium MR 2 2002
Cadmium MR 2 2002
Chromium MR 2 2002
CYANIDE MR 2 2002
Fluoride MR 2 2002
Beryllium, Total MR 2 2002
Consumer Confidence Rule Other 2 2024
Nickel MR 2 2002
Coliform (TCR) MCL 2 1992
Selenium MR 2 2002
Mercury MR 2 2002
Thallium, Total MR 2 2002
Antimony, Total MR 2 2002
Arsenic MR 1 2005
Endrin MR 1 2005
Methoxychlor MR 1 2005
Toxaphene MR 1 2005
Dalapon MR 1 2005
Diquat MR 1 2005
Endothall MR 1 2005
Di(2-ethylhexyl) adipate MR 1 2005
OXAMYL MR 1 2005
Di(2-ethylhexyl) phthalate MR 1 2005
Picloram MR 1 2005
Dinoseb 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 CHEHALEM MTN SUN RIDGE WATER CO.

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 OR4100562 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 2 SDWIS / OR4100562 / 7000
2024 E. COLI MR 1 SDWIS / OR4100562 / 3014
2021 Lead and Copper Rule MR 5 SDWIS / OR4100562 / 5000
2005 BHC-GAMMA MR 2 SDWIS / OR4100562 / 2010
2005 Arsenic MR 1 SDWIS / OR4100562 / 1005
2005 Endrin MR 1 SDWIS / OR4100562 / 2005
2005 Methoxychlor MR 1 SDWIS / OR4100562 / 2015
2005 Toxaphene MR 1 SDWIS / OR4100562 / 2020
2005 Dalapon MR 1 SDWIS / OR4100562 / 2031
2005 Diquat MR 1 SDWIS / OR4100562 / 2032
2005 Endothall MR 1 SDWIS / OR4100562 / 2033
2005 Di(2-ethylhexyl) adipate MR 1 SDWIS / OR4100562 / 2035
2005 OXAMYL MR 1 SDWIS / OR4100562 / 2036
2005 Di(2-ethylhexyl) phthalate MR 1 SDWIS / OR4100562 / 2039
2005 Picloram MR 1 SDWIS / OR4100562 / 2040

How CHEHALEM MTN SUN RIDGE WATER CO Compares

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

Metric CHEHALEM MTN SUN RIDGE WATER CO Oregon avg Federal benchmark
Total violations 103 82.1 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 5 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 70 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 CHEHALEM MTN SUN RIDGE WATER CO water safe to drink? ▼
CHEHALEM MTN SUN RIDGE WATER CO (PWS ID: OR4100562) has 103 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 70 people using Groundwater sources.
How many people does CHEHALEM MTN SUN RIDGE WATER CO serve? ▼
CHEHALEM MTN SUN RIDGE WATER CO serves 70 people in NEWBERG, Oregon. It is a Private-owned system using Groundwater water sources with 25 service connections.
What type of violations does CHEHALEM MTN SUN RIDGE WATER CO have? ▼
CHEHALEM MTN SUN RIDGE WATER CO has 103 total violations: 5 health-based violations (MCL exceedances or treatment failures), 90 monitoring/reporting violations, and 3 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in CHEHALEM MTN SUN RIDGE WATER CO water? ▼
No PFAS testing data is available for CHEHALEM MTN SUN RIDGE WATER CO under the EPA's UCMR5 monitoring program.
What water source does CHEHALEM MTN SUN RIDGE WATER CO use? ▼
CHEHALEM MTN SUN RIDGE WATER CO 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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