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GREAT NORTHERN SCHOOL DIST #312

PWS ID: WA5329335 · Springdale, Washington 99173

GREAT NORTHERN SCHOOL DIST #312 serves 47 people in Springdale, Washington using Groundwater water sources. It has 37 recorded EPA violations, including 4 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: GREAT NORTHERN SCHOOL DIST #312

GREAT NORTHERN SCHOOL DIST #312 is a local-owned non-transient non-community water system that delivers drinking water to 47 residents in Springdale, Washington (Spokane County) through 2 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 37 total violations for this system , of which 4 (11%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 31 monitoring and reporting violations are on file. The most recent violation on record dates to 2020.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 6 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. GREAT NORTHERN SCHOOL DIST #312's 37 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
47
Total Violations
37
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
2
County
Spokane
School/Daycare
No
MCL Violations
4
Monitoring Violations
31
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 6 2015
Coliform (TCR) MCL 4 1994
Lead and Copper Rule MR 3 2019
Revised Total Coliform Rule MON 1 2017
p-Dichlorobenzene MR 1 2020
Vinyl chloride MR 1 2020
trans-1,2-Dichloroethylene MR 1 2020
1,2-Dichloroethane MR 1 2020
1,1,1-Trichloroethane MR 1 2020
1,1,2-Trichloroethane MR 1 2020
CHLOROBENZENE MR 1 2020
Ethylbenzene MR 1 2020
Trichloroethylene MR 1 2020
cis-1,2-Dichloroethylene MR 1 2020
1,1-Dichloroethylene MR 1 2020
Toluene MR 1 2020
1,2-Dichloropropane MR 1 2020
Total Haloacetic Acids (HAA5) MR 1 2016
DICHLOROMETHANE MR 1 2020
1,2,4-Trichlorobenzene MR 1 2020
Benzene MR 1 2020
Carbon tetrachloride MR 1 2020
o-Dichlorobenzene MR 1 2020
Styrene MR 1 2020
Tetrachloroethylene MR 1 2020

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 GREAT NORTHERN SCHOOL DIST #312.

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 WA5329335 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 GREAT NORTHERN SCHOOL DIST #312 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
2020 p-Dichlorobenzene MR 1 SDWIS / WA5329335 / 2969
2020 Vinyl chloride MR 1 SDWIS / WA5329335 / 2976
2020 trans-1,2-Dichloroethylene MR 1 SDWIS / WA5329335 / 2979
2020 1,2-Dichloroethane MR 1 SDWIS / WA5329335 / 2980
2020 1,1,1-Trichloroethane MR 1 SDWIS / WA5329335 / 2981
2020 1,1,2-Trichloroethane MR 1 SDWIS / WA5329335 / 2985
2020 CHLOROBENZENE MR 1 SDWIS / WA5329335 / 2989
2020 Ethylbenzene MR 1 SDWIS / WA5329335 / 2992
2020 Trichloroethylene MR 1 SDWIS / WA5329335 / 2984
2020 cis-1,2-Dichloroethylene MR 1 SDWIS / WA5329335 / 2380
2020 1,1-Dichloroethylene MR 1 SDWIS / WA5329335 / 2977
2020 Toluene MR 1 SDWIS / WA5329335 / 2991
2020 1,2-Dichloropropane MR 1 SDWIS / WA5329335 / 2983
2020 DICHLOROMETHANE MR 1 SDWIS / WA5329335 / 2964
2020 1,2,4-Trichlorobenzene MR 1 SDWIS / WA5329335 / 2378

How GREAT NORTHERN SCHOOL DIST #312 Compares

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

Metric GREAT NORTHERN SCHOOL DIST #312 Washington avg Federal benchmark
Total violations 37 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 4 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 47 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 GREAT NORTHERN SCHOOL DIST #312 water safe to drink?
GREAT NORTHERN SCHOOL DIST #312 (PWS ID: WA5329335) has 37 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 47 people using Groundwater sources.
How many people does GREAT NORTHERN SCHOOL DIST #312 serve?
GREAT NORTHERN SCHOOL DIST #312 serves 47 people in Springdale, Washington. It is a Local-owned system using Groundwater water sources with 2 service connections.
What type of violations does GREAT NORTHERN SCHOOL DIST #312 have?
GREAT NORTHERN SCHOOL DIST #312 has 37 total violations: 4 health-based violations (MCL exceedances or treatment failures), 31 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in GREAT NORTHERN SCHOOL DIST #312 water?
No PFAS testing data is available for GREAT NORTHERN SCHOOL DIST #312 under the EPA's UCMR5 monitoring program.
What water source does GREAT NORTHERN SCHOOL DIST #312 use?
GREAT NORTHERN SCHOOL DIST #312 uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial