Clean Water Act discharge permit · NPDES SCG670005
PIEDMONT NATURAL GAS CO, Piedmont, SC: NPDES SCG670005 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 17Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
PIEDMONT NATURAL GAS CO, held by PIEDMONT NATURAL GAS COMPANY INC, holds NPDES permit SCG670005. EPA’s file records it issued April 6, 2006 and expiring May 31, 2011. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | PIEDMONT NATURAL GAS CO |
|---|---|
| Permittee as filed | PIEDMONT NATURAL GAS COMPANY INC |
| NPDES ID | SCG670005 |
| 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 | April 6, 2006 |
| Expiration date | May 31, 2011 |
| Issuing agency | State |
| Address | Piedmont, SC 29673 |
| Subwatershed | Upper South Tyger River (HUC 030501070302) |
| NAICS | 221210 – Natural Gas Distribution |
| SIC | 4924 – Natural Gas Distribution |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 17Pollutants on file
- 17Under a numeric limit
- 17With a violation of any kind
- 1With 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 |
|---|---|---|---|---|---|
| pH | 6 | 1,243 | 1 | October 31, 2024 | |
| Solids, total suspended | 6 | 1,242 | 0 | ||
| Flow, in conduit or thru treatment plant | 6 | 1,242 | 0 | ||
| Chlorine, total residual | 6 | 1,242 | 0 | ||
| Petrol hydrocarbons, total recoverable | 4 | 828 | 0 | ||
| Chromium, trivalent [as Cr] | 2 | 414 | 0 | ||
| Copper, total [as Cu] | 2 | 414 | 0 | ||
| Iron, total [as Fe] | 2 | 414 | 0 | ||
| Lead, total [as Pb] | 2 | 414 | 0 | ||
| Zinc, total [as Zn] | 2 | 414 | 0 | ||
| Methyl tert-butyl ether [MTBE] | 1 | 207 | 0 | ||
| Toluene | 1 | 207 | 0 | ||
| Benzene | 1 | 207 | 0 | ||
| Ethylbenzene | 1 | 207 | 0 | ||
| Naphthalene | 1 | 207 | 0 | ||
| Surfactants [MBAS] | 1 | 207 | 0 | ||
| Xylene [mix of m+o+p] | 1 | 207 | 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 SCG670005.
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
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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 SCG670005 there.
Nearby on the register
- Discharge permits in Piedmont
- Every permit record in Piedmont, A to Z
- Discharge permits in South Carolina
- Every permit record in South Carolina, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.