Community Water System · PWS MT0000353
Virginia City Water Dept
Operator location Virginia City, Montana - 29% of 162 violations are health-based (upper-third health share (> 23%)); groundwater source; 1,500 served per SDWIS.
- 1,500
- People served (this PWS)
- 162
- EPA violations (this PWS)
- 47
- Health-based (this PWS)
- Untested
- UCMR5 (this PWS)
Virginia City Water Dept standing, high SDWIS violation third
29% of 162 recorded violations are health-based - upper-third health share (> 23%). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 29% is upper-third health share (> 23%). Population rank #15,956 of 29,740 among systems serving 500+.
The verdict
Virginia City Water Dept sits in the upper third of the sitemap cohort by violation count (162), 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 29% - most of this ledger is MCL or treatment-technique exceedance. No UCMR5 PFAS test appears for this system in this extract.
- #15,956 of 29,740
- Population · /systems
- #99 of 283
- Population · MT
- 162
- Total EPA violations on record
- 29%
- 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
- 248
- County
- Madison
- School/Daycare
- No
- MCL Violations
- 35
- Monitoring Violations
- 93
- Treatment Tech Violations
- 12
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 43 | 2010 |
| Coliform (TCR) | MCL | 35 | 2010 |
| Groundwater Rule | MR | 23 | 2024 |
| Consumer Confidence Rule | Other | 18 | 2025 |
| Groundwater Rule | TT | 12 | 2025 |
| Lead and Copper Rule | MR | 9 | 2015 |
| Nitrate-Nitrite | MR | 8 | 2010 |
| E. COLI | MR | 6 | 2010 |
| Revised Total Coliform Rule | MON | 3 | 2024 |
| Arsenic | MR | 1 | 1996 |
Violation Count vs. the National Corpus
Virginia City Water Dept has 162 recorded EPA violations, 82% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 18% carry more. 29% of this system's own violations are health-based (47 of 162), and it ranks #15,956 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)
162 Higher than most more violations than 82% 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 Virginia City Water Dept
47 health-based rows in the tables above map to MCL or treatment-technique exceedances, verify each contaminant code on the federal SDWIS report for MT0000353.
Sources: EPA SDWIS
Nationwide peers
162 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 Virginia City Water Dept
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.