Clean Water Act
HAMILTON SEWAGE TREATMENT PLAN
Quick Summary
- •Assessed $0 in total penalties since records began.
- Address
-
104 N ROGERS ST
HAMILTON, VA 20158
View on map ↗ - County
- LOUDOUN County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221320
- Inspections
- 1 · last Sep 15, 2022
- Total Penalties
- $0 · last Nov 1, 2019
- Registry ID
- 110010917062
Compliance Violations
Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.
| Program | Type | Violation Date | Return to Compliance | Status |
|---|---|---|---|---|
| cwa | Schedule Event achieved late but reported | Aug 10, 2025 | — | Open |
| cwa | Effluent Violations - Unapproved Bypass | May 17, 2018 | — | Open |
| cwa | Effluent Violations - Unapproved Bypass | May 12, 2008 | — | Open |
| cwa | Permit Violations - Discharge Without a Valid Permit | Apr 21, 2008 | — | Open |
| cwa | Effluent Violations - Unapproved Bypass | Jun 20, 2007 | — | Open |
| cwa | Effluent Violations - Unapproved Bypass | Mar 18, 2007 | — | Open |
| cwa | Effluent Violations - Unapproved Bypass | Mar 16, 2007 | — | Open |
| cwa | Effluent Violations - Unapproved Bypass | Mar 2, 2007 | — | Open |
| cwa | Effluent Violations - Unapproved Bypass | Jan 1, 2007 | — | Open |
Discharge Limit Exceedances
Instances where this facility's reported discharge monitoring results exceeded its permitted limits under the Clean Water Act. Exceedance percentage shows how far over the permit limit the discharge was.
| Pollutant | Violation | Reported | Limit | Exceedance | Period | Status |
|---|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.60 mg/L | 2.40 | +50% | May 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 5.00 MPN/100mL | 126.00 | +99,999% | May 2025 | Open |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.02 | +59% | Dec 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 19.22 kg/d | 18.00 | +7% | Aug 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 33.00 mg/L | 30.00 | +10% | Aug 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 28.00 mg/L | 20.00 | +40% | Aug 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 25.00 mg/L | 20.00 | +25% | Jul 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 22.00 mg/L | 20.00 | +10% | Jun 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.60 mg/L | 2.40 | +8% | Jun 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.70 mg/L | 2.40 | +13% | Mar 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.50 mg/L | 2.40 | +4% | Feb 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.20 mg/L | 1.30 | +69% | Jan 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.60 mg/L | 2.40 | +8% | Dec 2023 | Open |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.02 | +4% | Oct 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 24.90 mg/L | 2.40 | +938% | Aug 2022 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 38.00 mg/L | 30.00 | +27% | Aug 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 8.00 mg/L | 1.30 | +515% | Aug 2022 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 9.90 mg/L | 2.40 | +313% | Jul 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 7.40 mg/L | 1.30 | +469% | Jul 2022 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.40 mg/L | 1.30 | +238% | Jun 2022 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 10.60 mg/L | 2.40 | +342% | Jun 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.35 mg/L | 1.30 | +4% | Oct 2021 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.35 mg/L | 2.40 | +40% | Oct 2021 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 11.57 mg/L | 1.30 | +790% | Sep 2021 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.30 mg/L | 2.40 | +79% | Sep 2021 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.33 mg/L | 1.30 | +387% | Aug 2021 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 12.63 mg/L | 2.40 | +426% | Aug 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 10.20 mg/L | 2.40 | +325% | Jul 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.80 mg/L | 1.30 | +269% | Jul 2021 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.10 mg/L | 2.40 | +29% | Jun 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.50 mg/L | 2.40 | +46% | May 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.93 mg/L | 1.30 | +48% | Feb 2021 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 8.90 mg/L | 2.40 | +271% | Feb 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 7.93 mg/L | 2.40 | +230% | Jan 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.16 mg/L | 1.30 | +66% | Jan 2021 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.70 mg/L | 2.40 | +13% | Dec 2020 | Open |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +75% | May 2020 | Resolved |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +75% | May 2020 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.50 mg/L | 2.40 | +4% | May 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.40 mg/L | 1.30 | +8% | May 2020 | Open |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +51% | Apr 2020 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.10 mg/L | 2.40 | +71% | Apr 2020 | Open |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +51% | Apr 2020 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 44.00 mg/L | 30.00 | +47% | Sep 2019 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.70 mg/L | 2.40 | +13% | Sep 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 23.00 kg/d | 18.00 | +28% | Sep 2019 | Open |
| E. coli | DMR, Limited - Numeric Violation | 28.00 MPN/100mL | 126.00 | +99,999% | Sep 2019 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 46.00 mg/L | 30.00 | +53% | Sep 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 21.21 kg/d | 18.00 | +18% | Aug 2019 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 48.00 mg/L | 30.00 | +60% | Aug 2019 | Open |
Enforcement Actions
Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.
State Administrative Order of Consent
Clean Water Act
· Case VA-NR21-0814 · Mar 21, 2022
State CWA Penalty AO
Clean Water Act
· Case VA-NR19-0385 · Nov 1, 2019
$16,100
State Administrative Order of Consent
Clean Water Act
· Case VA-NR07-0613 · Apr 27, 2009
$19,638
State Administrative Order of Consent
Clean Water Act
· Case VA-NR05-0611 · Mar 17, 2006
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