Gore Hill County Water District
EPA ID: MT0000232 · 500 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Gore Hill County Water District (MT0000232): 50 violations on record since 2021. Gore Hill County Water District has 50 EPA violations on record, all marked resolved in the federal data; the utility serves 500 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Gore Hill County Water District Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Gore Hill County Water District have a median household income of $79,327 and about 28,127 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 66% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: On average, 41% of census tracts in the counties mapped to this service area are designated disadvantaged by the federal Climate and Economic Justice Screening Tool (CEJST, 2022 version). Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
💧 Where Does Your Water Come From?
Gore Hill County Water District's water is classified in EPA records as a groundwater source. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
Wastewater Proximity Note: This service area ranks in the 60th percentile nationally for proximity to wastewater discharge points.
Superfund Proximity Note: This service area ranks in the 80th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Montana
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Gore Hill County Water District (EPA ID: MT0000232) is a community water system in Montana that serves approximately 500 people from groundwater sources.
This system serves ZIP code 59404 in Great Falls.
Violation History
Status breakdown for accepted records with record years 2021-2026: 50 resolved, 0 archived, 0 addressed, and 0 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| July 22, 2025 | E. COLI | Non-health-based | Resolved |
| July 1, 2024 | Endrin | Non-health-based | Resolved |
| July 1, 2024 | BHC-GAMMA | Non-health-based | Resolved |
| July 1, 2024 | Methoxychlor | Non-health-based | Resolved |
| July 1, 2024 | Toxaphene | Non-health-based | Resolved |
| July 1, 2024 | Dalapon | Non-health-based | Resolved |
| July 1, 2024 | Di(2-ethylhexyl) adipate | Non-health-based | Resolved |
| July 1, 2024 | OXAMYL | Non-health-based | Resolved |
| July 1, 2024 | Simazine | Non-health-based | Resolved |
| July 1, 2024 | Di(2-ethylhexyl) phthalate | Non-health-based | Resolved |
| July 1, 2024 | Picloram | Non-health-based | Resolved |
| July 1, 2024 | Dinoseb | Non-health-based | Resolved |
| July 1, 2024 | Hexachlorocyclopentadiene | Non-health-based | Resolved |
| July 1, 2024 | Carbofuran | Non-health-based | Resolved |
| July 1, 2024 | Atrazine | Non-health-based | Resolved |
| July 1, 2024 | LASSO | Non-health-based | Resolved |
| July 1, 2024 | Heptachlor | Non-health-based | Resolved |
| July 1, 2024 | Heptachlor epoxide | Non-health-based | Resolved |
| July 1, 2024 | 2,4-D | Non-health-based | Resolved |
| July 1, 2024 | 2,4,5-TP | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Endrin | Other Violation | 2 | No |
| BHC-GAMMA | Other Violation | 2 | No |
| Methoxychlor | Other Violation | 2 | No |
| Toxaphene | Other Violation | 2 | No |
| Dalapon | Other Violation | 2 | No |
| Di(2-ethylhexyl) adipate | Other Violation | 2 | No |
| OXAMYL | Other Violation | 2 | No |
| Simazine | Other Violation | 2 | No |
| Di(2-ethylhexyl) phthalate | Monitoring & Reporting | 2 | No |
| Picloram | Other Violation | 2 | No |
| Dinoseb | Other Violation | 2 | No |
| Hexachlorocyclopentadiene | Other Violation | 2 | No |
| Carbofuran | Other Violation | 2 | No |
| Di(2-ethylhexyl) phthalate | Monitoring & Reporting | 2 | No |
| LASSO | Other Violation | 2 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.004 mg/L | No | N/A |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Ask your water utility whether running cold water for 2 minutes is enough to flush your plumbing before drinking.
ZIP Codes Served
Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by MT or modeled from parcel and building-footprint data.
- 59404 - Great Falls
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Gore Hill County Water District (MT0000232) on EPA.gov.
Frequently Asked Questions
Is Gore Hill County Water District water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Gore Hill County Water District; its 50 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Gore Hill County Water District serve?
Gore Hill County Water District serves approximately 500 people across 1 ZIP code in Montana.
Where does Gore Hill County Water District get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Gore Hill County Water District (MT): 50 EPA Violations. https://zipcheckup.com/water-system/mt0000232/
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author = {{ZipCheckup}},
title = {{Gore Hill County Water District (MT): 50 EPA Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/mt0000232/}
}
What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Gore Hill County Water District (EPA ID: MT0000232) - request the latest Consumer Confidence Report or ask about specific contaminants.