Community Water System · PWS MT0000359
Whitehall Town Of
Operator location Whitehall, Montana - 37% of 689 violations are health-based (upper-third health share (> 23%)); groundwater source; 1,500 served per SDWIS.
- 1,500
- People served (this PWS)
- 689
- EPA violations (this PWS)
- 253
- Health-based (this PWS)
- Untested
- UCMR5 (this PWS)
Whitehall Town Of standing, high SDWIS violation third
37% of 689 recorded violations are health-based - upper-third health share (> 23%). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 37% is upper-third health share (> 23%). Population rank #15,957 of 29,740 among systems serving 500+.
The verdict
Whitehall Town Of sits in the upper third of the sitemap cohort by violation count (689), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is mid-pack at 1,500 (mid served population (≤ 3,309)). Health-based share is 37% - most of this ledger is MCL or treatment-technique exceedance. No UCMR5 PFAS test appears for this system in this extract.
- #15,957 of 29,740
- Population · /systems
- #100 of 283
- Population · MT
- 689
- Total EPA violations on record
- 37%
- 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
- 558
- County
- Jefferson
- School/Daycare
- No
- MCL Violations
- 253
- Monitoring Violations
- 425
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Combined Uranium | MCL | 238 | 2025 |
| Coliform (TCR) | MR | 13 | 2012 |
| E. COLI | MR | 12 | 2024 |
| Chromium | MR | 11 | 2011 |
| Cadmium | MR | 11 | 2011 |
| Coliform (TCR) | MCL | 8 | 2014 |
| Di(2-ethylhexyl) adipate | MR | 7 | 2008 |
| Picloram | MR | 7 | 2008 |
| OXAMYL | MR | 7 | 2008 |
| Dinoseb | MR | 7 | 2008 |
| Pentachlorophenol | MR | 7 | 2008 |
| Heptachlor epoxide | MR | 7 | 2008 |
| Heptachlor | MR | 7 | 2008 |
| LASSO | MR | 7 | 2008 |
| 2,4-D | MR | 7 | 2008 |
| Toxaphene | MR | 7 | 2008 |
| BHC-GAMMA | MR | 7 | 2008 |
| Endrin | MR | 7 | 2008 |
| Arsenic | MR | 7 | 2008 |
| Dalapon | MR | 7 | 2008 |
| Simazine | MR | 7 | 2008 |
| Aldicarb sulfoxide | MR | 7 | 2008 |
| Aldicarb sulfone | MR | 7 | 2008 |
| Carbofuran | MR | 7 | 2008 |
| Aldicarb | MR | 7 | 2008 |
| Atrazine | MR | 7 | 2008 |
| 2,4,5-TP | MR | 7 | 2008 |
| Benzo(a)pyrene | MR | 7 | 2008 |
| Methoxychlor | MR | 7 | 2008 |
| Chlordane | MR | 7 | 2008 |
Violation Count vs. the National Corpus
Whitehall Town Of has 689 recorded EPA violations, 98% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 2% carry more. 37% of this system's own violations are health-based (253 of 689), and it ranks #15,957 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)
689 Higher than most more violations than 98% 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
Health-based violations on Whitehall Town Of
253 health-based rows in the tables above map to MCL or treatment-technique exceedances, verify each contaminant code on the federal SDWIS report for MT0000359.
Sources: EPA SDWIS
Nationwide peers
689 violations · 1,500 served: nearest cross-state SDWIS matches.
Cross-state systems with comparable violation load
Nearest cross-state community systems (500+ served) by total SDWIS violations on record.
Cross-state systems near this population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ sitemap gate).
What to do with Whitehall 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.