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DAVENPORT WATER DIVISION

PWS ID: WA5318100 · Davenport, Washington 99122

DAVENPORT WATER DIVISION serves 1,720 people in Davenport, Washington using Groundwater water sources. It has 58 recorded EPA violations, including 22 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: DAVENPORT WATER DIVISION

DAVENPORT WATER DIVISION is a local-owned community water system that delivers drinking water to 1,720 residents in Davenport, Washington (Lincoln County) through 902 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 58 total violations for this system , of which 22 (38%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 35 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 22 violations (MCL, 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 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. DAVENPORT WATER DIVISION's 58 violations sit below 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
1,720
Total Violations
58
Health-Based Violations
22
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
902
County
Lincoln
School/Daycare
No
MCL Violations
22
Monitoring Violations
35
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 22 2003
Lead and Copper Rule MR 12 2007
Dalapon MR 2 2019
Picloram MR 2 2019
Dinoseb MR 2 2019
2,4,5-TP MR 2 2019
Pentachlorophenol MR 2 2019
TTHM MR 2 2022
Total Haloacetic Acids (HAA5) MR 2 2022
Mercury MR 1 1979
Arsenic MR 1 1979
Nitrate MR 1 1979
Selenium MR 1 1979
Cadmium MR 1 1979
Chromium MR 1 1979
Fluoride MR 1 1979
Gross Alpha, Excl. Radon and U MR 1 1979
Barium MR 1 1979

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 DAVENPORT WATER DIVISION.

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 WA5318100 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 DAVENPORT WATER DIVISION 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
2022 TTHM MR 2 SDWIS / WA5318100 / 2950
2022 Total Haloacetic Acids (HAA5) MR 2 SDWIS / WA5318100 / 2456
2019 Dalapon MR 2 SDWIS / WA5318100 / 2031
2019 Picloram MR 2 SDWIS / WA5318100 / 2040
2019 Dinoseb MR 2 SDWIS / WA5318100 / 2041
2019 2,4,5-TP MR 2 SDWIS / WA5318100 / 2110
2019 Pentachlorophenol MR 2 SDWIS / WA5318100 / 2326
2007 Lead and Copper Rule MR 12 SDWIS / WA5318100 / 5000
2003 Coliform (TCR) MCL 22 SDWIS / WA5318100 / 3100
1979 Mercury MR 1 SDWIS / WA5318100 / 1035
1979 Arsenic MR 1 SDWIS / WA5318100 / 1005
1979 Nitrate MR 1 SDWIS / WA5318100 / 1040
1979 Selenium MR 1 SDWIS / WA5318100 / 1045
1979 Cadmium MR 1 SDWIS / WA5318100 / 1015
1979 Chromium MR 1 SDWIS / WA5318100 / 1020

How DAVENPORT WATER DIVISION Compares

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

Metric DAVENPORT WATER DIVISION Washington avg Federal benchmark
Total violations 58 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 22 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 1,720 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 DAVENPORT WATER DIVISION water safe to drink? ▼
DAVENPORT WATER DIVISION (PWS ID: WA5318100) has 58 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,720 people using Groundwater sources.
How many people does DAVENPORT WATER DIVISION serve? ▼
DAVENPORT WATER DIVISION serves 1,720 people in Davenport, Washington. It is a Local-owned system using Groundwater water sources with 902 service connections.
What type of violations does DAVENPORT WATER DIVISION have? ▼
DAVENPORT WATER DIVISION has 58 total violations: 22 health-based violations (MCL exceedances or treatment failures), 35 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in DAVENPORT WATER DIVISION water? ▼
No PFAS testing data is available for DAVENPORT WATER DIVISION under the EPA's UCMR5 monitoring program.
What water source does DAVENPORT WATER DIVISION use? ▼
DAVENPORT WATER DIVISION 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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Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial