Community Water System · PWS VA4103550
Irvington Community Of
Operator location Rockville, Virginia - 9% of 54 violations are health-based (middle-third health share (≤ 23%)); groundwater source; 1,056 served per SDWIS.
- 1,056
- People served (this PWS)
- 54
- EPA violations (this PWS)
- 5
- Health-based (this PWS)
- Untested
- UCMR5 (this PWS)
Irvington Community Of standing, mid SDWIS violation third
9% of 54 recorded violations are health-based - middle-third health share (≤ 23%). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 9% is middle-third health share (≤ 23%). Population rank #18,936 of 29,740 among systems serving 500+.
The verdict
Irvington Community Of lands in the middle third by violation volume (54), large enough for peer comparisons without matching the fleet's heaviest ledgers. Population served is mid-pack at 1,056 (mid served population (≤ 3,309)). Health-based share is 9% (middle-third health share (≤ 23%)). No UCMR5 PFAS test appears for this system in this extract.
- #18,936 of 29,740
- Population · /systems
- #354 of 570
- Population · VA
- 54
- Total EPA violations on record
- 9%
- 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
- Private
- Connections
- 367
- County
- Lancaster
- School/Daycare
- No
- MCL Violations
- 5
- Monitoring Violations
- 49
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Picloram | MR | 8 | 2010 |
| Dinoseb | MR | 8 | 2010 |
| 2,4-D | MR | 8 | 2010 |
| Pentachlorophenol | MR | 8 | 2010 |
| Dalapon | MR | 8 | 2010 |
| 2,4,5-TP | MR | 8 | 2010 |
| Coliform (TCR) | MCL | 4 | 2000 |
| Fluoride | MR | 1 | 1979 |
| Fluoride | MCL | 1 | 1981 |
Violation Count vs. the National Corpus
Irvington Community Of has 54 recorded EPA violations, 59% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 41% carry more. 9% of this system's own violations are health-based (5 of 54), and it ranks #18,936 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)
54 Around the middle fewer violations than 41% 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 Irvington Community Of
5 health-based rows in the tables above map to MCL or treatment-technique exceedances, verify each contaminant code on the federal SDWIS report for VA4103550.
Sources: EPA SDWIS · Virginia Department of Health, Office of Drinking Water
Nationwide peers
54 violations · 1,056 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 near this population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ sitemap gate).
What to do with Irvington Community Of
Use this system's EPA-reported record as a starting filter, not a final verdict.
- See how every tracked system in Virginia compares on the same EPA violation measures. Virginia 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.