Clean Water Act discharge permit · NPDES NC0047597
SOUTH DURHAM WRF, Chapel Hill, NC: NPDES NC0047597 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 16Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
SOUTH DURHAM WRF, held by City of Durham, holds NPDES permit NC0047597. EPA’s file records it issued September 19, 2011 and expiring April 30, 2016. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | SOUTH DURHAM WRF |
|---|---|
| Permittee as filed | City of Durham |
| NPDES ID | NC0047597 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | September 19, 2011 |
| Expiration date | April 30, 2016 |
| Address | Chapel Hill, NC 27517 |
| Subwatershed | Lower Middle Creek (HUC 030202010903) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 17Pollutants on file
- 16Under a numeric limit
- 9With a violation of any kind
- 3With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 13 | 173 | 3 | July 31, 2018 | 87% over the limit |
| Coliform, fecal MF, MFC broth, 44.5 C | 6 | 3 | 3 | April 30, 2015 | 18% over the limit |
| Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia | 3 | 1 | 1 | January 31, 2012 | |
| Nitrogen, total [as N] | 5 | 132 | 0 | ||
| Phosphorus, total [as P] | 5 | 131 | 0 | ||
| Solids, total suspended | 7 | 6 | 0 | ||
| Nitrogen, ammonia total [as N] | 12 | 5 | 0 | ||
| Flow, in conduit or thru treatment plant | 3 | 4 | 0 | ||
| Flow, total | 0 | 1 | 0 | ||
| Mercury, total [as Hg] | 6 | 0 | 0 | ||
| Temperature, water deg. centigrade | 4 | 0 | 0 | ||
| Oxygen, dissolved [DO] | 4 | 0 | 0 | ||
| pH | 4 | 0 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 4 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 4 | 0 | 0 | ||
| Chlorine, total residual | 4 | 0 | 0 | ||
| Zinc, total [as Zn] | 3 | 0 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES NC0047597.
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, NC0047597.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID NC0047597 there.
Nearby on the register
- Discharge permits in Chapel Hill
- Every permit record in Chapel Hill, A to Z
- Discharge permits in North Carolina
- Every permit record in North Carolina, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.