Community Water System · PWS MT0000192
Culbertson Town Of
Operator location Culbertson, Montana - smaller served population (≤ 999) at 714 people served; 39 SDWIS violations on record from surface water sources.
- 714
- People served (this PWS)
- 39
- EPA violations (this PWS)
- 1
- Health-based (this PWS)
- Untested
- UCMR5 (this PWS)
Culbertson Town Of standing, mid SDWIS violation third
714 people served (SDWIS) - smaller served population (≤ 999). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 3% is middle-third health share (≤ 23%). Population rank #24,053 of 29,740 among systems serving 500+.
The verdict
Culbertson Town Of lands in the middle third by violation volume (39), large enough for peer comparisons without matching the fleet's heaviest ledgers. Population served is smaller (714; smaller served population (≤ 999)), so each violation row represents a compact service footprint. Health-based share is 3% (middle-third health share (≤ 23%)). No UCMR5 PFAS test appears for this system in this extract.
- #24,053 of 29,740
- Population · /systems
- #191 of 283
- Population · MT
- 39
- Total EPA violations on record
- 3%
- Health-based (MCL / treatment failure)
Population ordinals match the sitemap cohort (systems serving 500+, population_served DESC). See methodology · corpus placement.
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 434
- County
- Roosevelt
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 35
- Treatment Tech Violations
- 1
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 11 | 2018 |
| Coliform (TCR) | MR | 9 | 2007 |
| Asbestos | MR | 3 | 2011 |
| Thallium, Total | MR | 2 | 1997 |
| Nickel | MR | 2 | 1997 |
| Beryllium, Total | MR | 2 | 1997 |
| Antimony, Total | MR | 2 | 1997 |
| Selenium | MR | 1 | 1994 |
| Arsenic | MR | 1 | 1997 |
| Nitrate | MR | 1 | 1993 |
| CYANIDE | MR | 1 | 1994 |
| Surface Water Treatment Rule | TT | 1 | 1994 |
Violation Count vs. the National Corpus
Culbertson Town Of has 39 recorded EPA violations, 50% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 50% carry more. 3% of this system's own violations are health-based (1 of 39), and it ranks #24,053 of 29,740 by population served among that same cohort.
EPA violations vs. the national water-system corpus
Public water systems serving 500+ people (EPA SDWIS)
39 Lower than most fewer violations than 50% of 29,740 water systems
the national water-system corpus, bucketed by value
Each bar is a band; taller bars hold more water systems. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source EPA SDWIS · 2026-05-15
Population served record for Culbertson Town Of
EPA SDWIS lists 714 people served and 434 connections for this PWS, confirm the service-area footprint on the federal report before comparing to municipal census totals.
Sources: EPA SDWIS
Nationwide peers
39 violations · 714 served: nearest cross-state SDWIS matches.
Cross-state systems near this violation count
Nearest cross-state community systems (500+ served) by total SDWIS violations on record.
Cross-state systems with smaller service footprints
Nearest cross-state systems by EPA SDWIS population_served (same 500+ sitemap gate).
What to do with Culbertson Town Of
Use this system's EPA-reported record as a starting filter, not a final verdict.
- See how every tracked system in Montana compares on the same EPA violation measures. Montana systems
- Check whether PFAS was detected at this system under UCMR5 testing. PFAS guide
- Find and compare another public water system by name or PWSID. Search systems
EPA SDWIS and UCMR5 figures are informational only, not a substitute for a certified lab test of your own tap water.