Crow Agency, MT: High Radon Risk — 40/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
Crow Agency, MT water systems: poor compliance record, lower-tier safety grade.
How Crow Agency Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Crow Agency Water
- Homes built before 1986: 53% — older plumbing may contain lead solder.
- Estimated remediation: $1,200 per household.
- CDC health risk index: 15.46 — above typical levels.
Who Supplies Your Water in Crow Agency
Water service in Crow Agency, MT is organized around a single utility — one of 1 tracked by regulator, and the one that manages the local distribution network while holding primary responsibility for EPA compliance reporting.
Overview
We track water quality and home safety data for 1 ZIP code in Crow Agency, Montana (population ~2,250), covering 1 community water system serving approximately 3,500 people region-wide.
No EPA violations recorded across any ZIP codes in Crow Agency — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Crow Agency: D (40/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Crow Agency water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Crow Agency
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 59022 | D | HARDIN CITY OF | 3,500 |
All ZIP Codes in Crow Agency
- 59022 [D]
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
Health Outcomes in Crow Agency
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Housing & Infrastructure in Crow Agency
With 53% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
The median home in Crow Agency was built in 1985 — a figure that places most of the city's residential stock in the era when lead solder was still standard in copper plumbing. Homes built before 1986 may have lead-soldered joints; those built before 1970 face the additional possibility of lead pipes in the service line itself.
Over half of homes in Crow Agency were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
Cost Context: What Remediation Means for Crow Agency Homeowners
The equity impact of remediation in Crow Agency sits at a moderate level — real enough to plan for, within reach for most.
Remediation costs are moderate relative to home values in Crow Agency. The estimated $800–$1,500 range is manageable for most homeowners but still worth budgeting for. Home values are 71% below the Montana average.
Lead Exposure Risk for Children in Crow Agency
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
In recent monitoring under the Lead and Copper Rule, citywide samples for Crow Agency have approached or crossed the regulatory action level on multiple occasions. Combined with 53% of stock dating from the pre-rule era, the picture supports baseline single-tap reads as a standard household-level step.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
What You Can Do in Crow Agency
- Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
- Check your home's plumbing. With 53% of homes built before 1986, lead solder is a real possibility.
- Review your water system's CCR. Your utility publishes an annual Consumer Confidence Report with detailed test results. Request it or find it online.
Deep Dive Reports
Detailed analysis for Crow Agency, MT