Community Water System · PWS VA6107150
Hamilton, Town Of
Operator location Hamilton, Virginia - 0% of 37 violations are health-based (lower-third health share (≤ 1%)); groundwater source; 2,240 served per SDWIS.
- 2,240
- People served (this PWS)
- 37
- EPA violations (this PWS)
- 0
- Health-based (this PWS)
- 5 PFAS
- UCMR5 (this PWS)
Hamilton, Town Of standing, mid SDWIS violation third
0% of 37 recorded violations are health-based - lower-third health share (≤ 1%). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 0% is lower-third health share (≤ 1%). UCMR5: upper-third PFAS panel (> 4 compounds). Population rank #12,731 of 29,740 among systems serving 500+.
The verdict
Hamilton, Town Of lands in the middle third by violation volume (37), large enough for peer comparisons without matching the fleet's heaviest ledgers. Population served is mid-pack at 2,240 (mid served population (≤ 3,309)). Health-based share is only 0% - almost all of this trail is monitoring or reporting. UCMR5 detected 5 PFAS compounds (upper-third PFAS panel (> 4 compounds)).
- #12,731 of 29,740
- Population · /systems
- #208 of 570
- Population · VA
- 37
- Total EPA violations on record
- 0%
- Health-based (MCL / treatment failure)
Population ordinals match the sitemap cohort (systems serving 500+, population_served DESC). See methodology · corpus placement.
5 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 700
- County
- Loudoun
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 35
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate-Nitrite | MR | 12 | 2021 |
| Revised Total Coliform Rule | MON | 4 | 2019 |
| Chlorine | MR | 4 | 2019 |
| Gross Alpha, Excl. Radon and U | MR | 4 | 2011 |
| Combined Uranium | MR | 4 | 2011 |
| Combined Radium (-226 and -228) | MR | 4 | 2011 |
| Coliform (TCR) | MR | 3 | 2000 |
Violation Count vs. the National Corpus
Hamilton, Town Of has 37 recorded EPA violations, 48% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 51% carry more. 0% of this system's own violations are health-based (0 of 37), and it ranks #12,731 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)
37 Lower than most fewer violations than 51% 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. 10 of 116 samples detected PFAS.
| Contaminant | Date | Result | MRL | Status |
|---|---|---|---|---|
| PFMBA | 8/15/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| 6:2 FTS | 8/15/2023 | <5.00 ppt | 5.00 ppt | Not Detected |
| 4:2 FTS | 8/15/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| 8:2 FTS | 8/15/2023 | <5.00 ppt | 5.00 ppt | Not Detected |
| PFMPA | 8/15/2023 | <4.00 ppt | 4.00 ppt | Not Detected |
| PFPeA | 8/15/2023 | 3.80 ppt | 3.00 ppt | Detected |
| PFEESA | 8/15/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| NFDHA | 8/15/2023 | <20.00 ppt | 20.00 ppt | Not Detected |
| PFPeS | 8/15/2023 | <4.00 ppt | 4.00 ppt | Not Detected |
| PFHpS | 8/15/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFDoA | 8/15/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFBS | 8/15/2023 | 6.00 ppt | 3.00 ppt | Detected |
| PFHpA | 8/15/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFNA | 8/15/2023 | <4.00 ppt | 4.00 ppt | Not Detected |
| PFOS | 8/15/2023 | 4.60 ppt | 4.00 ppt | Detected |
| PFHxS | 8/15/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFDA | 8/15/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFBA | 8/15/2023 | <5.00 ppt | 5.00 ppt | Not Detected |
| PFHxA | 8/15/2023 | 3.80 ppt | 3.00 ppt | Detected |
| PFUnA | 8/15/2023 | <2.00 ppt | 2.00 ppt | Not Detected |
| 11Cl-PF3OUdS | 8/15/2023 | <5.00 ppt | 5.00 ppt | Not Detected |
| 9Cl-PF3ONS | 8/15/2023 | <2.00 ppt | 2.00 ppt | Not Detected |
| ADONA | 8/15/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| HFPO-DA | 8/15/2023 | <5.00 ppt | 5.00 ppt | Not Detected |
| PFOA | 8/15/2023 | 6.10 ppt | 4.00 ppt | Detected |
| 8:2 FTS | 8/15/2023 | <5.00 ppt | 5.00 ppt | Not Detected |
| PFMPA | 8/15/2023 | <4.00 ppt | 4.00 ppt | Not Detected |
| PFPeA | 8/15/2023 | 3.40 ppt | 3.00 ppt | Detected |
| PFMBA | 8/15/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFEESA | 8/15/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| NFDHA | 8/15/2023 | <20.00 ppt | 20.00 ppt | Not Detected |
| PFPeS | 8/15/2023 | <4.00 ppt | 4.00 ppt | Not Detected |
| 4:2 FTS | 8/15/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFHpS | 8/15/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| 6:2 FTS | 8/15/2023 | <5.00 ppt | 5.00 ppt | Not Detected |
| PFBA | 8/15/2023 | <5.00 ppt | 5.00 ppt | Not Detected |
| HFPO-DA | 8/15/2023 | <5.00 ppt | 5.00 ppt | Not Detected |
| ADONA | 8/15/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| 9Cl-PF3ONS | 8/15/2023 | <2.00 ppt | 2.00 ppt | Not Detected |
| 11Cl-PF3OUdS | 8/15/2023 | <5.00 ppt | 5.00 ppt | Not Detected |
| PFUnA | 8/15/2023 | <2.00 ppt | 2.00 ppt | Not Detected |
| PFHxA | 8/15/2023 | 3.00 ppt | 3.00 ppt | Detected |
| PFDoA | 8/15/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFDA | 8/15/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFOA | 8/15/2023 | <4.00 ppt | 4.00 ppt | Not Detected |
| PFOS | 8/15/2023 | <4.00 ppt | 4.00 ppt | Not Detected |
| PFNA | 8/15/2023 | <4.00 ppt | 4.00 ppt | Not Detected |
| PFHxS | 8/15/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFHpA | 8/15/2023 | <3.00 ppt | 3.00 ppt | Not Detected |
| PFBS | 8/15/2023 | 5.40 ppt | 3.00 ppt | Detected |
Health-based violations on Hamilton, Town Of
0 health-based rows in the tables above map to MCL or treatment-technique exceedances, verify each contaminant code on the federal SDWIS report for VA6107150.
Sources: EPA SDWIS · Virginia Department of Health, Office of Drinking Water
Nationwide peers
37 violations · 2,240 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 Hamilton, 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.