Community Water System · PWS VA6061600
Warrenton, Town Of
Operator location Warrenton, Virginia - 24% of 34 violations are health-based (upper-third health share (> 23%)); surface water source; 11,801 served per SDWIS.
- 11,801
- People served (this PWS)
- 34
- EPA violations (this PWS)
- 8
- Health-based (this PWS)
- 2 PFAS
- UCMR5 (this PWS)
Warrenton, Town Of standing, mid SDWIS violation third
24% of 34 recorded violations are health-based - upper-third health share (> 23%). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 24% is upper-third health share (> 23%). UCMR5: lower-third PFAS panel (≤ 2 compounds). Population rank #4,161 of 29,740 among systems serving 500+.
The verdict
Warrenton, Town Of lands in the middle third by violation volume (34), large enough for peer comparisons without matching the fleet's heaviest ledgers. Population served is large (11,801; larger served population (> 3,309)), so household exposure scale sits behind the violation mix. Health-based share is 24% - most of this ledger is MCL or treatment-technique exceedance. UCMR5 detected 2 PFAS compounds (lower-third PFAS panel (≤ 2 compounds)).
- #4,161 of 29,740
- Population · /systems
- #70 of 570
- Population · VA
- 34
- Total EPA violations on record
- 24%
- Health-based (MCL / treatment failure)
Population ordinals match the sitemap cohort (systems serving 500+, population_served DESC). See methodology · corpus placement.
2 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 4,939
- County
- Fauquier
- School/Daycare
- No
- MCL Violations
- 8
- Monitoring Violations
- 26
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MR | 9 | 2014 |
| Total Haloacetic Acids (HAA5) | MR | 9 | 2014 |
| Coliform (TCR) | MCL | 4 | 1996 |
| Combined Radium (-226 and -228) | MCL | 2 | 1997 |
| Gross Alpha, Excl. Radon and U | MCL | 2 | 1997 |
| Nitrate | MR | 1 | 1980 |
| Arsenic | MR | 1 | 1980 |
| Fluoride | MR | 1 | 1980 |
| Cadmium | MR | 1 | 1980 |
| Chromium | MR | 1 | 1980 |
| Selenium | MR | 1 | 1980 |
| Barium | MR | 1 | 1980 |
| Mercury | MR | 1 | 1980 |
Violation Count vs. the National Corpus
Warrenton, Town Of has 34 recorded EPA violations, 46% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 54% carry more. 24% of this system's own violations are health-based (8 of 34), and it ranks #4,161 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)
34 Lower than most fewer violations than 54% 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
PFAS Testing Results (UCMR5)
Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 2 of 232 samples detected PFAS.
| Contaminant | Date | Result | MRL | Status |
|---|---|---|---|---|
| PFDA | 7/23/2025 | <3.00 ppt | 3.00 ppt | Not Detected |
| 8:2 FTS | 7/23/2025 | <5.00 ppt | 5.00 ppt | Not Detected |
| PFOS | 7/23/2025 | <4.00 ppt | 4.00 ppt | Not Detected |
| PFHxS | 7/23/2025 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFNA | 7/23/2025 | <4.00 ppt | 4.00 ppt | Not Detected |
| PFOA | 7/23/2025 | <4.00 ppt | 4.00 ppt | Not Detected |
| PFDoA | 7/23/2025 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFHxA | 7/23/2025 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFUnA | 7/23/2025 | <2.00 ppt | 2.00 ppt | Not Detected |
| 11Cl-PF3OUdS | 7/23/2025 | <5.00 ppt | 5.00 ppt | Not Detected |
| 9Cl-PF3ONS | 7/23/2025 | <2.00 ppt | 2.00 ppt | Not Detected |
| ADONA | 7/23/2025 | <3.00 ppt | 3.00 ppt | Not Detected |
| HFPO-DA | 7/23/2025 | <5.00 ppt | 5.00 ppt | Not Detected |
| PFBA | 7/23/2025 | <5.00 ppt | 5.00 ppt | Not Detected |
| PFHpA | 7/23/2025 | <3.00 ppt | 3.00 ppt | Not Detected |
| 4:2 FTS | 7/23/2025 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFBS | 7/23/2025 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFMPA | 7/23/2025 | <4.00 ppt | 4.00 ppt | Not Detected |
| PFPeA | 7/23/2025 | 3.30 ppt | 3.00 ppt | Detected |
| PFMBA | 7/23/2025 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFEESA | 7/23/2025 | <3.00 ppt | 3.00 ppt | Not Detected |
| NFDHA | 7/23/2025 | <20.00 ppt | 20.00 ppt | Not Detected |
| PFPeS | 7/23/2025 | <4.00 ppt | 4.00 ppt | Not Detected |
| PFHpS | 7/23/2025 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFTA | 7/23/2025 | <8.00 ppt | 8.00 ppt | Not Detected |
| PFTrDA | 7/23/2025 | <7.00 ppt | 7.00 ppt | Not Detected |
| NEtFOSAA | 7/23/2025 | <5.00 ppt | 5.00 ppt | Not Detected |
| NMeFOSAA | 7/23/2025 | <6.00 ppt | 6.00 ppt | Not Detected |
| 6:2 FTS | 7/23/2025 | <5.00 ppt | 5.00 ppt | Not Detected |
| PFHxS | 4/17/2025 | <3.00 ppt | 3.00 ppt | Not Detected |
| 9Cl-PF3ONS | 4/17/2025 | <2.00 ppt | 2.00 ppt | Not Detected |
| PFHpS | 4/17/2025 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFPeS | 4/17/2025 | <4.00 ppt | 4.00 ppt | Not Detected |
| NFDHA | 4/17/2025 | <20.00 ppt | 20.00 ppt | Not Detected |
| PFEESA | 4/17/2025 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFMBA | 4/17/2025 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFPeA | 4/17/2025 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFMPA | 4/17/2025 | <4.00 ppt | 4.00 ppt | Not Detected |
| 8:2 FTS | 4/17/2025 | <5.00 ppt | 5.00 ppt | Not Detected |
| 4:2 FTS | 4/17/2025 | <3.00 ppt | 3.00 ppt | Not Detected |
| 6:2 FTS | 4/17/2025 | <5.00 ppt | 5.00 ppt | Not Detected |
| PFBA | 4/17/2025 | <5.00 ppt | 5.00 ppt | Not Detected |
| PFBS | 4/17/2025 | <3.00 ppt | 3.00 ppt | Not Detected |
| ADONA | 4/17/2025 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFTA | 4/17/2025 | <8.00 ppt | 8.00 ppt | Not Detected |
| 11Cl-PF3OUdS | 4/17/2025 | <5.00 ppt | 5.00 ppt | Not Detected |
| PFUnA | 4/17/2025 | <2.00 ppt | 2.00 ppt | Not Detected |
| PFHxA | 4/17/2025 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFDoA | 4/17/2025 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFDA | 4/17/2025 | <3.00 ppt | 3.00 ppt | Not Detected |
Health-based violations on Warrenton, Town Of
8 health-based rows in the tables above map to MCL or treatment-technique exceedances, verify each contaminant code on the federal SDWIS report for VA6061600.
Sources: EPA SDWIS · Virginia Department of Health, Office of Drinking Water
Nationwide peers
34 violations · 11,801 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 similar served population
Nearest cross-state systems by EPA SDWIS population_served (same 500+ sitemap gate).
What to do with Warrenton, Town 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.