Montana Neighborhood Water Quality

Compare water quality across 9 cities in Montana. Find the safest neighborhoods for homebuyers.

9

Cities Covered

14,003

ZIP Codes

51

States + DC

🔍

Browse by State

314 cities · 1,706 ZIPs

172 cities · 1,127 ZIPs

156 cities · 1,336 ZIPs

81 cities · 367 ZIPs

77 cities · 413 ZIPs

76 cities · 651 ZIPs

74 cities · 464 ZIPs

71 cities · 468 ZIPs

65 cities · 390 ZIPs

62 cities · 245 ZIPs

61 cities · 358 ZIPs

56 cities · 344 ZIPs

53 cities · 425 ZIPs

49 cities · 288 ZIPs

48 cities · 192 ZIPs

48 cities · 232 ZIPs

48 cities · 292 ZIPs

44 cities · 302 ZIPs

42 cities · 286 ZIPs

40 cities · 142 ZIPs

40 cities · 275 ZIPs

38 cities · 196 ZIPs

37 cities · 199 ZIPs

34 cities · 281 ZIPs

33 cities · 197 ZIPs

33 cities · 177 ZIPs

33 cities · 222 ZIPs

31 cities · 124 ZIPs

29 cities · 232 ZIPs

24 cities · 148 ZIPs

24 cities · 249 ZIPs

20 cities · 175 ZIPs

17 cities · 97 ZIPs

16 cities · 120 ZIPs

15 cities · 43 ZIPs

15 cities · 131 ZIPs

15 cities · 108 ZIPs

15 cities · 112 ZIPs

12 cities · 123 ZIPs

12 cities · 70 ZIPs

11 cities · 40 ZIPs

10 cities · 31 ZIPs

10 cities · 45 ZIPs

9 cities · 38 ZIPs

9 cities · 54 ZIPs

8 cities · 54 ZIPs

7 cities · 26 ZIPs

7 cities · 53 ZIPs

6 cities · 26 ZIPs

4 cities · 44 ZIPs

District of Columbia

3 cities · 285 ZIPs

What Each Neighborhood Page Contains

📊 ZIP-by-ZIP Rankings

Every ZIP code ranked by Home Safety Score within the city, from safest to least safe.

💧 Water Quality Grades

EPA violation counts, contaminant detections, and overall water safety grade per neighborhood.

⚠️ Risk Factors

Lead pipe risk, radon zone, flood claims, and environmental hazards for each ZIP.

🔍 Side-by-Side Comparison

Compare any two neighborhoods using our comparison tool linked from each page.

Data source: EPA SDWIS (Safe Drinking Water Information System). Each neighborhood (ZIP code) gets a Home Safety Score (0-100) based on EPA compliance, lead levels, radon risk, and flood exposure. Scores are aggregated at the city level for neighborhood-to-neighborhood comparison. Updated daily.

Get safety alerts for Montana

Free updates when EPA data changes for this area. No spam.

Unsubscribe anytime. Privacy Policy.

Check your water filter options Free tool — no phone call required.