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COLUMBIA CREST ESTATES

PWS ID: WA5307200 · Napavine, Washington 98565

COLUMBIA CREST ESTATES serves 48 people in Napavine, Washington using Groundwater water sources. It has 262 recorded EPA violations, including 84 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: COLUMBIA CREST ESTATES

COLUMBIA CREST ESTATES is a private-owned community water system that delivers drinking water to 48 residents in Napavine, Washington (Cowlitz County) through 19 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 262 total violations for this system , of which 84 (32%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 176 monitoring and reporting violations are on file. The most recent violation on record dates to 2021.

The most frequently cited contaminant at this system is Arsenic, recorded in 100 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 Washington, EPA tracks 4,557 public water systems serving 9,736,844 people, with 314,648 cumulative violations and 20,590 health-based violations on record. About 92% of systems in the state carry at least one violation, and state-wide the average per system is 69 violations. COLUMBIA CREST ESTATES's 262 violations sit above the Washington average. Statewide, 98 of 247 UCMR5-tested systems have reported PFAS detections (39.7%). 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
48
Total Violations
262
Health-Based Violations
84
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
19
County
Cowlitz
School/Daycare
No
MCL Violations
84
Monitoring Violations
176
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Arsenic MR 100 2012
Arsenic MCL 84 2015
Lead and Copper Rule MR 10 2009
Nitrate MR 7 2010
Coliform (TCR) MR 5 2010
Pentachlorophenol MR 4 2008
Picloram MR 2 2008
Endrin MR 2 2008
Methoxychlor MR 2 2008
Toxaphene MR 2 2008
Di(2-ethylhexyl) phthalate MR 2 2008
Hexachlorocyclopentadiene MR 2 2008
Atrazine MR 2 2008
LASSO MR 2 2008
Dinoseb MR 2 2008
BHC-GAMMA MR 2 2008
Simazine MR 2 2008
Heptachlor MR 2 2008
Chlordane MR 2 2008
Consumer Confidence Rule Other 2 2021
Dalapon MR 2 2008
2,4,5-TP MR 2 2008
Benzo(a)pyrene MR 2 2008
Heptachlor epoxide MR 2 2008
Di(2-ethylhexyl) adipate MR 2 2008
HEXACHLOROBENZENE MR 2 2008
Barium MR 1 2008
Cadmium MR 1 2008
Chromium MR 1 2008
CYANIDE MR 1 2008

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 COLUMBIA CREST 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 WA5307200 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Washington Drinking Water Authority

Washington State Department of Health — Office of Drinking Water is the primacy agency that licenses and inspects COLUMBIA CREST ESTATES under EPA-delegated authority.

Open WA regulator portal

Source: Washington State Department of Health — Office of Drinking Water

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
2021 Consumer Confidence Rule Other 2 SDWIS / WA5307200 / 7000
2017 Revised Total Coliform Rule MON 1 SDWIS / WA5307200 / 8000
2015 Arsenic MCL 84 SDWIS / WA5307200 / 1005
2012 Arsenic MR 100 SDWIS / WA5307200 / 1005
2010 Nitrate MR 7 SDWIS / WA5307200 / 1040
2010 Coliform (TCR) MR 5 SDWIS / WA5307200 / 3100
2009 Lead and Copper Rule MR 10 SDWIS / WA5307200 / 5000
2008 Pentachlorophenol MR 4 SDWIS / WA5307200 / 2326
2008 Picloram MR 2 SDWIS / WA5307200 / 2040
2008 Endrin MR 2 SDWIS / WA5307200 / 2005
2008 Methoxychlor MR 2 SDWIS / WA5307200 / 2015
2008 Toxaphene MR 2 SDWIS / WA5307200 / 2020
2008 Di(2-ethylhexyl) phthalate MR 2 SDWIS / WA5307200 / 2039
2008 Hexachlorocyclopentadiene MR 2 SDWIS / WA5307200 / 2042
2008 Atrazine MR 2 SDWIS / WA5307200 / 2050

How COLUMBIA CREST ESTATES Compares

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

Metric COLUMBIA CREST ESTATES Washington avg Federal benchmark
Total violations 262 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 84 4.5 Indicates a contaminant exceeded a federal MCL
PFAS detection None 39.7% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 48 2,137 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 4,557 regulated public water systems in Washington.

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 COLUMBIA CREST ESTATES water safe to drink? ▼
COLUMBIA CREST ESTATES (PWS ID: WA5307200) has 262 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 48 people using Groundwater sources.
How many people does COLUMBIA CREST ESTATES serve? ▼
COLUMBIA CREST ESTATES serves 48 people in Napavine, Washington. It is a Private-owned system using Groundwater water sources with 19 service connections.
What type of violations does COLUMBIA CREST ESTATES have? ▼
COLUMBIA CREST ESTATES has 262 total violations: 84 health-based violations (MCL exceedances or treatment failures), 176 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in COLUMBIA CREST ESTATES water? ▼
No PFAS testing data is available for COLUMBIA CREST ESTATES under the EPA's UCMR5 monitoring program.
What water source does COLUMBIA CREST ESTATES use? ▼
COLUMBIA CREST 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.

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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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