Community Water System · PWS VA3199700
Queens Lake System
Operator location Rockville, Virginia - 23% of 83 violations are health-based (upper-third health share (> 23%)); surface water source; 1,375 served per SDWIS.
- 1,375
- People served (this PWS)
- 83
- EPA violations (this PWS)
- 19
- Health-based (this PWS)
- Untested
- UCMR5 (this PWS)
Queens Lake System standing, high SDWIS violation third
23% of 83 recorded violations are health-based - upper-third health share (> 23%). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 23% is upper-third health share (> 23%). Population rank #16,749 of 29,740 among systems serving 500+.
The verdict
Queens Lake System sits in the upper third of the sitemap cohort by violation count (83), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is mid-pack at 1,375 (mid served population (≤ 3,309)). Health-based share is 23% - most of this ledger is MCL or treatment-technique exceedance. No UCMR5 PFAS test appears for this system in this extract.
- #16,749 of 29,740
- Population · /systems
- #309 of 570
- Population · VA
- 83
- Total EPA violations on record
- 23%
- 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
- 556
- County
- York
- School/Daycare
- No
- MCL Violations
- 19
- Monitoring Violations
- 64
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Chloramine | MR | 44 | 2020 |
| Total Haloacetic Acids (HAA5) | MCL | 11 | 2007 |
| TTHM | MCL | 8 | 2007 |
| Lead and Copper Rule | MR | 4 | 2009 |
| Chromium | MR | 1 | 1980 |
| Combined Radium (-226 and -228) | MR | 1 | 1977 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1977 |
| Selenium | MR | 1 | 1980 |
| Toxaphene | MR | 1 | 1980 |
| Nitrate | MR | 1 | 1980 |
| Methoxychlor | MR | 1 | 1980 |
| Mercury | MR | 1 | 1980 |
| Arsenic | MR | 1 | 1980 |
| Barium | MR | 1 | 1980 |
| 2,4,5-TP | MR | 1 | 1980 |
| BHC-GAMMA | MR | 1 | 1980 |
| Cadmium | MR | 1 | 1980 |
| Endrin | MR | 1 | 1980 |
| Fluoride | MR | 1 | 1980 |
| 2,4-D | MR | 1 | 1980 |
Violation Count vs. the National Corpus
Queens Lake System has 83 recorded EPA violations, 69% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 31% carry more. 23% of this system's own violations are health-based (19 of 83), and it ranks #16,749 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)
83 Around the middle fewer violations than 31% 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 Queens Lake System
19 health-based rows in the tables above map to MCL or treatment-technique exceedances, verify each contaminant code on the federal SDWIS report for VA3199700.
Sources: EPA SDWIS · Virginia Department of Health, Office of Drinking Water
Nationwide peers
83 violations · 1,375 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 Queens Lake System
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.