Phillips County, Montana
7 ZIP codes · Avg score 59/100 · Grade C · Updated 2026-06-03
For most households in Phillips County, the 7 tracked ZIP codes show adequate but uneven water quality.
How Phillips County Compares
How Phillips County Compares
Phillips County scores 4 points above the Montana state average (55/100) and 9 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Phillips County, Montana
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14.5 (asthma 11.5%, diabetes 12.3%)
Estimated additional annual cost per homeowner: $1,310, driven primarily by ust_tanks
Infrastructure: 0.401% avg pipe failure probability, 57% of ZIPs at high risk
68.9% of homes built before 1978 (lead paint era)
Violation History (2021–2025)
→ Stable trendEPA violation counts by year across Phillips County water systems. Health-based shown in red, total in blue.
Peak year: 2021 with 1 violation. Past 5 years: 2 total (2 health-based).
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $1,310
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
2,678 housing units in Phillips County
Source: U.S. Census Bureau ACS B25034 (Year Structure Built).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Phillips County
Remediation costs are relatively manageable for most homeowners in Phillips County, representing a small fraction of property value.
Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.
Health Outcomes vs National Average
CDC PLACES data for Phillips County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 5 systems in Phillips County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Dodson Town of | 120 | 22 |
| 2 | City of Malta | 1,800 | 12 |
| 3 | East Malta Colony | 47 | 12 |
| 4 | PHILLIPS COUNTY ZORTMAN WATER AND SEWER | 169 | 5 |
| 5 | Camp Creek Wua Inc. | 50 | 5 |
7 total water systems serve Phillips County.
All ZIP Codes in Phillips County
7 ZIP codes tracked in Phillips County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 59261 | Saco | 70 | B | 1 | $164K |
| 2 | 59524 | Dodson | 69 | C | 22 (1 health) | $59K |
| 3 | 59546 | Zortman | 64 | C | 5 | — |
| 4 | 59538 | Malta | 59 | C | 12 | $175K |
| 5 | 59537 | Loring | 55 | C | 0 | — |
| 6 | 59544 | Whitewater | 53 | D | 0 | $221K |
| 7 | 59527 | Hays | 40 | D | 0 | $64K |
Recommended Buyer Guides for Phillips County
Designed to find the guide that fits the county, not the other way around — the system reads EPA detections, FEMA hazard layers, and CDC lead-exposure markers, then outputs the categories that resolve those specific risks for households here, with NSF-certified products surfaced when the matching contaminant appears in the local monitoring data.
- Best Lead Paint Test Kits — 68.9% of homes built before 1978
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
Deep Dive Reports
Detailed analysis for Phillips County, Montana
Overview
Phillips County in Montana covers 7 ZIP codes with an average Home Safety Score of C (59/100).
4 of 7 ZIP codes have recorded EPA violations. 1 health-based violation have been documented.
← Back to Montana water quality report
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Updated daily.