PlainWater

MILLWOOD CITY OF

PWS ID: WA5354850 · Spokane, Washington 99206

MILLWOOD CITY OF serves 1,925 people in Spokane, Washington using Groundwater water sources. It has 18 recorded EPA violations, including 10 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: MILLWOOD CITY OF

MILLWOOD CITY OF is a local-owned community water system that delivers drinking water to 1,925 residents in Spokane, Washington (Spokane County) through 849 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 18 total violations for this system , of which 10 (56%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 5 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 9 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. MILLWOOD CITY OF's 18 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
1,925
Total Violations
18
Health-Based Violations
10
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
849
County
Spokane
School/Daycare
No
MCL Violations
10
Monitoring Violations
5
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 9 1999
Coliform (TCR) MR 3 1996
Consumer Confidence Rule Other 2 2023
Gross Alpha, Excl. Radon and U MR 1 1979
Revised Total Coliform Rule MCL 1 2022
Lead and Copper Rule MR 1 1998

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 MILLWOOD CITY OF.

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 WA5354850 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 MILLWOOD CITY OF 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
2023 Consumer Confidence Rule Other 2 SDWIS / WA5354850 / 7000
2022 Revised Total Coliform Rule MCL 1 SDWIS / WA5354850 / 8000
1999 Coliform (TCR) MCL 9 SDWIS / WA5354850 / 3100
1998 Lead and Copper Rule MR 1 SDWIS / WA5354850 / 5000
1996 Coliform (TCR) MR 3 SDWIS / WA5354850 / 3100
1979 Gross Alpha, Excl. Radon and U MR 1 SDWIS / WA5354850 / 4000

How MILLWOOD CITY OF Compares

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

Metric MILLWOOD CITY OF Washington avg Federal benchmark
Total violations 18 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 10 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 1,925 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 MILLWOOD CITY OF water safe to drink?
MILLWOOD CITY OF (PWS ID: WA5354850) has 18 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,925 people using Groundwater sources.
How many people does MILLWOOD CITY OF serve?
MILLWOOD CITY OF serves 1,925 people in Spokane, Washington. It is a Local-owned system using Groundwater water sources with 849 service connections.
What type of violations does MILLWOOD CITY OF have?
MILLWOOD CITY OF has 18 total violations: 10 health-based violations (MCL exceedances or treatment failures), 5 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in MILLWOOD CITY OF water?
No PFAS testing data is available for MILLWOOD CITY OF under the EPA's UCMR5 monitoring program.
What water source does MILLWOOD CITY OF use?
MILLWOOD CITY OF 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 Kiznis Studio Editorial