Colstrip, MT: 8 Violations - Home Safety Score unavailable
1 ZIP code · 1 water system · Updated
Data: EPA SDWIS
Key Facts for Colstrip Residents
- Your city's water systems recorded 8 violations since 2021.
- Average of reported 90th-percentile lead results: 0.001 mg/L.
- Homes built before 1986: 61% - older plumbing may contain lead solder.
- Estimated remediation: $300 per household.
- Health risk index (ZipCheckup composite of CDC data): 15.4.
Colstrip's Water Providers
Here the list of water systems for Colstrip, MT has a single entry, while the figure of 1 count every system federal data connect to the area's ZIP codes.
Overview
We track home safety data for 1 ZIP code in Colstrip, Montana, covering 1 community water system serving approximately 2,156 people. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.
1 of 1 ZIP code with a reported violation count in the available EPA record (100%) have recorded EPA violations. 2 health-based violations appear in the available health breakdown.
Water Sources
Colstrip water systems draw from: Surface water.
Lead & Copper
- Average of reported 90th-percentile lead results: 0.0010 mg/L (EPA action level: 0.015 mg/L)
- 0 of 1 ZIP code with known status exceed the EPA lead action level
Radon Risk
1 of 1 ZIP records with known zones is in EPA Radon Zone 1.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Surface Water Treatment Rule | Treatment Technique | 8 | 1 |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 4 | 1 |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 2 | 1 |
| Revised Total Coliform Rule | Microbiological | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 59323 | — | 8 | 2 | City of Colstrip |
All ZIP Codes in Colstrip
- 59323 - 8 violations ⚠
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
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.
Colstrip Community Health Snapshot
Source: CDC PLACES (County-level estimates). County health indicators are shown for context only and are not linked to this area's water records.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
What's in Colstrip's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Colstrip Infrastructure Age
With 61% of homes built before 1986, lead solder in plumbing is a potential concern. Federal law banned lead solder in drinking-water plumbing in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Lead can reach tap water from service lines, solder and brass fittings inside a building, which is why housing age draws attention in Colstrip, where the median build year is 1986.
Over half of homes in Colstrip were built before 1986, when federal law began restricting lead solder in drinking-water plumbing. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
How Remediation Costs Compare in Colstrip
Measured against the median home value, the estimated cost of fixing the issues flagged for Colstrip lands in the lowest of the three tiers this page uses.
Estimated remediation costs in Colstrip can be compared with local home values. The $150–$600 estimated range can be set against the median property value; actual costs vary by home. Home values are 35% below the Montana average.
Colstrip: Lead Risk & Vulnerable Populations
Why children are most at risk: The CDC states that no safe blood lead level in children has been identified. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
If you have young children or are pregnant, consider testing your home's water - especially if your home was built before 1986.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Colstrip: NFIP Claim Records and Water-Quality Context
Historical NFIP data for Colstrip contains 1 flood insurance claim. Among claims with payment data, the average reported building, contents, and ICC component sum is $2,335.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. The $300 remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.
Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.
Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.
Deep Dive Reports
Detailed analysis for Colstrip, MT