Tap Water File

GREAT FALLS CITY OF

PO BOX 5021, GREAT FALLS, MT, 59403 · 406-727-1325

On the EPA record

Population served
60000
Service connections
22477
System type
Community water system
Primary water source
Surface water
Owner type
Local government

Drinking-water violations on record (10)

EPA's SDWIS records each violation as codes, not sentences. Each one below is shown with EPA's own published description of that violation type and contaminant. Health-based violations — a contaminant limit or treatment requirement not met — are marked apart from monitoring and reporting failures.

— Maximum Contaminant Level Violation

category MCL · health-based

Maximum Contaminant Level Violation, Average — Total Haloacetic Acids (HAA5)

Recorded as corrected on .

— Maximum Contaminant Level Violation

category MCL · health-based

Maximum Contaminant Level Violation, Average — Total Haloacetic Acids (HAA5)

Recorded as corrected on .

— Maximum Contaminant Level Violation

category MCL · health-based

Maximum Contaminant Level Violation, Average — Total Haloacetic Acids (HAA5)

Recorded as corrected on .

— Maximum Contaminant Level Violation

category MCL · health-based

Maximum Contaminant Level Violation, Average — Total Haloacetic Acids (HAA5)

Recorded as corrected on .

— Maximum Contaminant Level Violation

category MCL · health-based

Maximum Contaminant Level Violation, Average — Total Haloacetic Acids (HAA5)

Recorded as corrected on .

— Monitoring and Reporting

category MR · monitoring & reporting

Monitoring and Reporting (DBP) — Total Haloacetic Acids (HAA5)

Recorded as corrected on .

— Monitoring and Reporting

category MR · monitoring & reporting

Monitoring and Reporting (DBP) — TTHM

Recorded as corrected on .

— Monitoring and Reporting

category MR · monitoring & reporting

Monitoring, Regular — Asbestos

Recorded as corrected on .

— Treatment Technique Violation

category TT · health-based

Treatment Technique (SWTR and GWR) — Surface Water Treatment Rule

Recorded as corrected on .

monitoring & reporting

Safe Drinking Water Act violation (EPA violation type code ?)

Source: US Environmental Protection Agency (EPA) · EPA public water system ID (PWSID) MT0000525