Clean Water Act discharge permit · NPDES VAG404127
CLARKSON DENTAL OFFICE, South Boston, VA: NPDES VAG404127 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
CLARKSON DENTAL OFFICE, held by Todd C Clarkson, holds NPDES permit VAG404127, which discharges to Dan River-John H Kerr Reservoir-Grassy Creek. EPA’s file records it issued August 2, 2021 and expiring July 31, 2026.
CLARKSON DENTAL OFFICE, South Boston, Virginia: Coverage under a general permit VAG404127, held by Todd C Clarkson; Administratively continued (past its expiration date and still in force until reissued); issued August 2, 2021, term to July 31, 2026, by Virginia; discharges to Dan River-John H Kerr Reservoir-Grassy Creek; Sewage Treatment Facilities.
- Oxygen, dissolved [DO]: 1 limit, 2 violations of any kind, 2 effluent exceedances, latest August 31, 2023, largest 24% over the limit.
- Chlorine, total residual: 1 limit, 2 violations of any kind, 2 effluent exceedances, latest August 31, 2023, largest 88% over the limit.
- pH: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- BOD, 5-day, 20 deg. C: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Solids, total suspended: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Flow, in conduit or thru treatment plant: 1 limit, 0 violations of any kind, 0 effluent exceedances.
CLARKSON DENTAL OFFICE among its neighbors
EPA’s permit file holds 27 discharge permits in the Grassy Creek-Dan River subwatershed (HUC 030101040404), VAG404127 among them.
Other permits in the Grassy Creek-Dan River subwatershed (HUC 030101040404)
- BLANKS MICHAEL D RESIDENCE, South Boston: VAG402376, minor permit, discharging to Dan River-John H Kerr Reservoir-Grassy Creek, permit term to July 31, 2026
- CARRINGTON HOME, South Boston: VAG402387, minor permit, discharging to Dan River-John H Kerr Reservoir-Grassy Creek, permit term to July 31, 2026
- CHANEY ENTERPRISES - SOUTH BOSTON VA RMC, South Boston: VAG110153, minor permit, discharging to Dan River-John H Kerr Reservoir-Grassy Creek, permit term to December 31, 2023
- COOKOUT SOUTH BOSTON, South Boston: VAR10U718, minor permit, discharging to Dan River-John H Kerr Reservoir-Grassy Creek, permit term to June 30, 2029
- ELLIOTTS AUTO SALES INC, South Boston: VAG750042, minor permit, discharging to Dan River-John H Kerr Reservoir-Grassy Creek, permit term to October 15, 2022
- FALLEN ROBERT G III RESIDENCE, South Boston: VAG402371, minor permit, discharging to Dan River-John H Kerr Reservoir-Grassy Creek, permit term to July 31, 2026
- FELTON BROTHERS TRANSIT MIX INCORPORATED, South Boston: VAG110180, minor permit, discharging to Dan River-John H Kerr Reservoir-Grassy Creek, permit term to December 31, 2023
- GERDAU METALS RECYCLING - SOUTH BOSTON, South Boston: VAR051725, minor permit, discharging to Dan River-John H Kerr Reservoir-Grassy Creek, permit term to June 30, 2024
- HALIFAX COUNTY HIGH SCHOOL, South Boston: VAR10S562, minor permit, discharging to Banister River-John H Kerr Reservoir-Winn Creek, permit term to June 30, 2024
- HCSA/MAPLE AVE WWTP, South Boston: VAL020362, minor permit, permit term to December 31, 2025
Identity
| Facility as filed | CLARKSON DENTAL OFFICE |
|---|---|
| Permittee as filed | Todd C Clarkson |
| NPDES ID | VAG404127 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | August 2, 2021 |
| Expiration date | July 31, 2026 |
| Issuing agency | Virginia |
| Address | South Boston, VA 24592 |
| Receiving water | Dan River-John H Kerr Reservoir-Grassy Creek |
| Subwatershed | Grassy Creek-Dan River (HUC 030101040404) |
| NAICS | 221320 – Sewage Treatment Facilities |
| SIC | 4952 – Sewerage Systems |
Effluent limits and exceedances
- 6Pollutants on file
- 6Under a numeric limit
- 2With a violation of any kind
- 2With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Oxygen, dissolved [DO] | 1 | 2 | 2 | August 31, 2023 | 24% over the limit |
| Chlorine, total residual | 1 | 2 | 2 | August 31, 2023 | 88% over the limit |
| pH | 2 | 0 | 0 | ||
| BOD, 5-day, 20 deg. C | 1 | 0 | 0 | ||
| Solids, total suspended | 1 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 1 | 0 | 0 |
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES VAG404127.
Inspections
EPA’s inspection file holds no inspection for NPDES VAG404127.
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES VAG404127.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.