Clean Water Act discharge permit · NPDES SC0031321
TCH PROPERTIES LLC SILVER LAKE MHP, West Columbia, SC: NPDES SC0031321 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
TCH PROPERTIES LLC SILVER LAKE MHP, held by (Unknown Permittee), holds NPDES permit SC0031321. EPA’s file records it issued December 11, 2014 and expiring December 31, 2019. 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 | TCH PROPERTIES LLC SILVER LAKE MHP |
|---|---|
| Permittee as filed | (Unknown Permittee) |
| NPDES ID | SC0031321 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Industrial pretreatment |
| Issued | December 11, 2014 |
| Expiration date | December 31, 2019 |
| Issuing agency | State |
| Address | West Columbia, SC 29172 |
| Subwatershed | Middle Congaree River (HUC 030501100303) |
| NAICS | 531190 – Lessors of Other Real Estate Property |
| SIC | 6515 – Mobile Home Site Operators |
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
- 11Pollutants on file
- 9Under a numeric limit
- 11With a violation of any kind
- 7With 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 |
|---|---|---|---|---|---|
| Coliform, fecal general | 0 | 33 | 9 | July 31, 2013 | 200% over the limit |
| BOD, 5-day, 20 deg. C | 4 | 200 | 8 | July 31, 2010 | 57% over the limit |
| Solids, total suspended | 4 | 198 | 6 | October 31, 2009 | 24% over the limit |
| E. coli | 8 | 144 | 6 | December 31, 2025 | 1,820% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 100 | 4 | March 31, 2009 | 34% over the limit |
| Chlorine, total residual | 4 | 195 | 3 | July 31, 2019 | 304% over the limit |
| pH | 2 | 97 | 3 | February 28, 2010 | |
| Nitrogen, ammonia total [as N] | 4 | 192 | 0 | ||
| Phosphorus, total [as P] | 4 | 62 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 48 | 0 | ||
| Nitrogen, total [as N] | 0 | 4 | 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
- 15Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| May 21, 2026 | Permit Violations - Violation Specified in Comment | ST6 |
| May 7, 2026 | Monitoring Violations - Invalid/Unrepresentative Sample | ST6 |
| May 7, 2026 | Permit Violations - Violation Specified in Comment | ST6 |
| May 4, 2026 | Permit Violations - Violation Specified in Comment | ST6 |
| February 9, 2021 | Management Practice Violations - Failure to Maintain Records | ST6 |
| February 9, 2021 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| February 9, 2021 | Reporting Violations - Late Submittal of DMRs | ST6 |
| February 9, 2021 | Reporting Violations - Failure to Notify | ST6 |
| February 9, 2021 | Permit Violations - Violation Specified in Comment | ST6 |
| June 3, 2020 | Permit Violations - Violation Specified in Comment | ST6 |
| June 3, 2020 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| June 3, 2020 | Management Practice Violations - Failure to Maintain Records | ST6 |
| April 4, 2019 | Management Practice Violations - Failure to Maintain Records | ST6 |
| April 4, 2019 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| April 4, 2019 | Permit Violations - Violation Specified in Comment | ST6 |
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.
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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 SC0031321 there.
Nearby on the register
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- Every permit record in West Columbia, A to Z
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- Every permit record in South Carolina, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.