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NINE MILE STORE

PWS ID: WA5359555 · Nine Mile Falls, Washington 99026

NINE MILE STORE serves 53 people in Nine Mile Falls, Washington using Groundwater water sources. It has 25 recorded EPA violations, including 6 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: NINE MILE STORE

NINE MILE STORE is a private-owned transient non-community water system that delivers drinking water to 53 residents in Nine Mile Falls, Washington (Spokane County) through 4 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 25 total violations for this system , of which 6 (24%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 19 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 Revised Total Coliform Rule, recorded in 13 violations (MON). 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. NINE MILE STORE's 25 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
53
Total Violations
25
Health-Based Violations
6
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Private
Connections
4
County
Spokane
School/Daycare
No
MCL Violations
6
Monitoring Violations
19
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 13 2020
Nitrate MCL 6 2004
Coliform (TCR) MR 4 1999
Nitrate MR 2 2023

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 NINE MILE STORE.

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 WA5359555 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 NINE MILE STORE 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 Nitrate MR 2 SDWIS / WA5359555 / 1040
2020 Revised Total Coliform Rule MON 13 SDWIS / WA5359555 / 8000
2004 Nitrate MCL 6 SDWIS / WA5359555 / 1040
1999 Coliform (TCR) MR 4 SDWIS / WA5359555 / 3100

How NINE MILE STORE Compares

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

Metric NINE MILE STORE Washington avg Federal benchmark
Total violations 25 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 6 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 53 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 NINE MILE STORE water safe to drink?
NINE MILE STORE (PWS ID: WA5359555) has 25 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 53 people using Groundwater sources.
How many people does NINE MILE STORE serve?
NINE MILE STORE serves 53 people in Nine Mile Falls, Washington. It is a Private-owned system using Groundwater water sources with 4 service connections.
What type of violations does NINE MILE STORE have?
NINE MILE STORE has 25 total violations: 6 health-based violations (MCL exceedances or treatment failures), 19 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in NINE MILE STORE water?
No PFAS testing data is available for NINE MILE STORE under the EPA's UCMR5 monitoring program.
What water source does NINE MILE STORE use?
NINE MILE STORE uses Groundwater as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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 PlainWater Editorial