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CSWA CHEHALEM SPRINGS

PWS ID: OR4101518 · NEWBERG, Oregon 97132

CSWA CHEHALEM SPRINGS serves 130 people in NEWBERG, Oregon using Groundwater water sources. It has 110 recorded EPA violations, including 24 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: CSWA CHEHALEM SPRINGS

CSWA CHEHALEM SPRINGS is a local-owned community water system that delivers drinking water to 130 residents in NEWBERG, Oregon (Yamhill County) through 53 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 110 total violations for this system , of which 24 (22%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 83 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 Groundwater Rule, recorded in 24 violations (TT, health-based). 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. CSWA CHEHALEM SPRINGS's 110 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
130
Total Violations
110
Health-Based Violations
24
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
53
County
Yamhill
School/Daycare
No
MCL Violations
0
Monitoring Violations
83
Treatment Tech Violations
24

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Groundwater Rule TT 24 2024
Lead and Copper Rule MR 17 2025
Diquat MR 6 2025
Groundwater Rule MR 4 2025
BHC-GAMMA MR 2 2014
Pentachlorophenol MR 2 2014
Heptachlor epoxide MR 2 2014
2,4-D MR 2 2014
Toxaphene MR 2 2014
Endrin MR 2 2014
Di(2-ethylhexyl) adipate MR 2 2014
Chlordane MR 2 2014
Endothall MR 2 2014
2,4,5-TP MR 2 2014
Di(2-ethylhexyl) phthalate MR 2 2014
Hexachlorocyclopentadiene MR 2 2014
Carbofuran MR 2 2014
HEXACHLOROBENZENE MR 2 2014
Dinoseb MR 2 2014
OXAMYL MR 2 2014
Atrazine MR 2 2014
Picloram MR 2 2014
Heptachlor MR 2 2014
Glyphosate MR 2 2014
Benzo(a)pyrene MR 2 2014
ETHYLENE DIBROMIDE MR 2 2014
LASSO MR 2 2014
Total Polychlorinated Biphenyls (PCB) MR 2 2014
Simazine MR 2 2014
Methoxychlor 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 CSWA CHEHALEM SPRINGS.

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 OR4101518 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 Lead and Copper Rule MR 17 SDWIS / OR4101518 / 5000
2025 Diquat MR 6 SDWIS / OR4101518 / 2032
2025 Groundwater Rule MR 4 SDWIS / OR4101518 / 0700
2024 Groundwater Rule TT 24 SDWIS / OR4101518 / 0700
2024 Consumer Confidence Rule Other 1 SDWIS / OR4101518 / 7000
2024 Public Notice Other 1 SDWIS / OR4101518 / 7500
2014 BHC-GAMMA MR 2 SDWIS / OR4101518 / 2010
2014 Pentachlorophenol MR 2 SDWIS / OR4101518 / 2326
2014 Heptachlor epoxide MR 2 SDWIS / OR4101518 / 2067
2014 2,4-D MR 2 SDWIS / OR4101518 / 2105
2014 Toxaphene MR 2 SDWIS / OR4101518 / 2020
2014 Endrin MR 2 SDWIS / OR4101518 / 2005
2014 Di(2-ethylhexyl) adipate MR 2 SDWIS / OR4101518 / 2035
2014 Chlordane MR 2 SDWIS / OR4101518 / 2959
2014 Endothall MR 2 SDWIS / OR4101518 / 2033

How CSWA CHEHALEM SPRINGS Compares

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

Metric CSWA CHEHALEM SPRINGS Oregon avg Federal benchmark
Total violations 110 82.1 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 24 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 130 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 CSWA CHEHALEM SPRINGS water safe to drink? ▼
CSWA CHEHALEM SPRINGS (PWS ID: OR4101518) has 110 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 130 people using Groundwater sources.
How many people does CSWA CHEHALEM SPRINGS serve? ▼
CSWA CHEHALEM SPRINGS serves 130 people in NEWBERG, Oregon. It is a Local-owned system using Groundwater water sources with 53 service connections.
What type of violations does CSWA CHEHALEM SPRINGS have? ▼
CSWA CHEHALEM SPRINGS has 110 total violations: 24 health-based violations (MCL exceedances or treatment failures), 83 monitoring/reporting violations, and 24 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in CSWA CHEHALEM SPRINGS water? ▼
No PFAS testing data is available for CSWA CHEHALEM SPRINGS under the EPA's UCMR5 monitoring program.
What water source does CSWA CHEHALEM SPRINGS use? ▼
CSWA CHEHALEM SPRINGS 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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