NPDES NC0026433 · Clean Water Act
HILLSBOROUGH WWTP, Hillsborough, NC: NPDES NC0026433 discharge permit, effluent exceedances, inspections, penalties
HILLSBOROUGH WWTP, Hillsborough, North Carolina: Individual permit NC0026433, held by Town of Hillsborough; Publicly owned treatment works; Administratively continued; issued January 21, 2020, term to January 31, 2025; Sewage Treatment Facilities.
- Chlorine, total residual: 1 limit, 4 violations of any kind, 4 effluent exceedances, latest November 30, 2012, largest 67% over the limit.
- BOD, 5-day, 20 deg. C: 3 limits, 44 violations of any kind, 3 effluent exceedances, latest February 28, 2026, largest 74% over the limit.
- Nitrogen, ammonia total [as N]: 2 limits, 14 violations of any kind, 1 effluent exceedance, latest February 28, 2010, largest 2% over the limit.
- Cyanide, total [as CN]: 0 limits, 1 violation of any kind, 1 effluent exceedance, latest August 31, 2006, largest 280% over the limit.
- Nitrogen, total [as N]: 2 limits, 171 violations of any kind.
- Phosphorus, total [as P]: 2 limits, 119 violations of any kind.
- Solids, total suspended: 3 limits, 41 violations of any kind.
- Temperature, water deg. centigrade: 7 limits, 12 violations of any kind.
- Oxygen, dissolved [DO]: 7 limits, 12 violations of any kind.
- Coliform, fecal MF, MFC broth, 44.5 C: 2 limits, 11 violations of any kind.
- pH: 2 limits, 6 violations of any kind.
- Nitrogen, Kjeldahl, total [as N]: 1 limit, 6 violations of any kind.
- Nitrite + Nitrate total [as N]: 1 limit, 6 violations of any kind.
- Conductivity: 0 limits, 6 violations of any kind.
- Flow, total: 1 limit, 3 violations of any kind.
- Flow, in conduit or thru treatment plant: 1 limit, 2 violations of any kind.
- April 7, 2026: Notice of Violation (State).
- March 17, 2026: Evaluation (S).
North Carolina holds 95 Publicly owned treatment works coverages of this permit type in EPA’s file; 42 were issued before NC0026433. Town of Hillsborough holds 4 permits in North Carolina.
Other permits held by Town of Hillsborough
- NC 86 N / FLEET RENOVATION, Hillsborough: NCC260390, issued 2026-03-02
- HILLSBOROUGH WWTP, Hillsborough: NCG110115, issued 2023-06-01
- TOWN OF HILLSBOROUGH, Hillsborough: NCL026433, issued 2021-01-01
Coverages issued nearest NC0026433
- 2019-12-17: MALLARD CREEK WWTP, Charlotte: NC0030210, held by Charlotte Water
- 2020-01-08: ST. PAULS WWTP, Saint Pauls: NC0020095, held by Town of St Pauls
- 2020-01-16: YADKINVILLE WWTP, Yadkinville: NC0020338, held by Town of Yadkinville
- 2020-01-21: MURPHY WWTP, Murphy: NC0020940, held by Town of Murphy
- 2020-01-21: NEWPORT WWTP, Newport: NC0021555, held by Town of Newport
- 2020-02-03: KILLIAN CREEK WWTP, Stanley: NC0088722, held by Lincoln County
- 2020-02-07: PINETOPS WWTP, Pinetops: NC0020435, held by Town of Pinetops
- 2020-02-07: CLARKTON WWTP, Clarkton: NC0021610, held by Town of Clarkton
- 2020-02-07: PILKINGTON NORTH AMERICAN WWTP, Laurinburg: NC0021661, held by City of Laurinburg
- 2020-04-06: ROWLAND WWTP, Rowland: NC0069612, held by Town of Rowland
Other permits in Hillsborough
- 1121 PHELPS ROAD, Hillsborough: NCG551441, minor, term to 2025-10-31
- 1314 OAK FOREST DRIVE, Hillsborough: NCG550019, minor, term to 2025-10-31
- 1402 OAK FOREST DRIVE, Hillsborough: NCG551007, minor, term to 2025-10-31
- 1405 OAK FOREST DRIVE, Hillsborough: NCG551069, minor, term to 2025-10-31
- 1411 OAK FOREST DRIVE, Hillsborough: NCG550497, minor, term to 2025-10-31
- 1412 OAK FOREST DRIVE, Hillsborough: NCG550937, minor, term to 2025-10-31
- 1504 ST. MARY'S ROAD, Hillsborough: NCG551462, minor, term to 2025-10-31
- 1511 DAVIS ROAD, Hillsborough: NCG551398, minor, term to 2025-10-31
- 1526 PARK LANE, Hillsborough: NCG551439, minor, term to 2025-10-31
- 1534 MAYAPPLE LANE, Hillsborough: NCG550135, minor, term to 2025-10-31
Identity
| Facility | HILLSBOROUGH WWTP |
|---|---|
| Permittee | Town of Hillsborough |
| NPDES ID | NC0026433 |
| Status | Administratively continued |
| Type | Individual permit |
| Class | Major |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | January 21, 2020 |
| Expires | January 31, 2025 |
| Address | Hillsborough, NC 27278 |
| Program components on file | Biosolids, POTW, Pretreatment |
| NAICS | 221320 – Sewage Treatment Facilities |
| SIC | 4952 – Sewerage Systems |
NPDES NC0026433: effluent limits and exceedances
HILLSBOROUGH WWTP (NPDES NC0026433): 16 pollutants on file, 14 limited; 16 with a violation of any kind, 4 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| Chlorine, total residual | 1 | 4 | 4 | November 30, 2012 | 67% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 44 | 3 | February 28, 2026 | 74% over the limit |
| Nitrogen, ammonia total [as N] | 2 | 14 | 1 | February 28, 2010 | 2% over the limit |
| Cyanide, total [as CN] | 0 | 1 | 1 | August 31, 2006 | 280% over the limit |
| Nitrogen, total [as N] | 2 | 171 | 0 | ||
| Phosphorus, total [as P] | 2 | 119 | 0 | ||
| Solids, total suspended | 3 | 41 | 0 | ||
| Temperature, water deg. centigrade | 7 | 12 | 0 | ||
| Oxygen, dissolved [DO] | 7 | 12 | 0 | ||
| Coliform, fecal MF, MFC broth, 44.5 C | 2 | 11 | 0 | ||
| pH | 2 | 6 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 6 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 6 | 0 | ||
| Conductivity | 0 | 6 | 0 | ||
| Flow, total | 1 | 3 | 0 | ||
| Flow, in conduit or thru treatment plant | 1 | 2 | 0 |
NPDES NC0026433: inspections, violations and enforcement
NPDES NC0026433: 1 inspection
| Date | What EPA recorded | Agency |
|---|---|---|
| March 17, 2026 | Evaluation | S |
NPDES NC0026433: 1 informal enforcement action
| Date | What EPA recorded | Agency |
|---|---|---|
| April 7, 2026 | Notice of Violation | State |
NPDES NC0026433 (HILLSBOROUGH WWTP): no single-event violation and formal enforcement action on file.
Watch NPDES NC0026433
NPDES NC0026433: one email when its EPA record changes — $99/month.
Permits near NPDES NC0026433
NPDES NC0026433: 16 pollutant rows, 2 dated events; ICIS-NPDES download, loaded October 14, 2026.