Clean Water Act discharge permit · NPDES TX0088447
LAKE SOUTH WSC WWTP, Conroe, TX: NPDES TX0088447 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 37Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
- 1Inspections on file
- 0Formal enforcement actions
LAKE SOUTH WSC WWTP, held by LAKE SOUTH WATER SUPPLY CORPORATION, holds NPDES permit TX0088447, which discharges to Lake Conroe; San Jacinto River Basin. EPA’s file records it issued September 12, 2017 and expiring June 1, 2022.
LAKE SOUTH WSC WWTP, Conroe, Texas: Individual permit TX0088447, held by LAKE SOUTH WATER SUPPLY CORPORATION; Administratively continued (past its expiration date and still in force until reissued); issued September 12, 2017, term to June 1, 2022; discharges to LAKE CONROE; SAN JACINTO RIVER BASIN.
- E. coli: 2 limits, 20 violations of any kind, 8 effluent exceedances, latest March 31, 2025, largest 99,999% over the limit.
- Solids, total suspended: 3 limits, 14 violations of any kind, 2 effluent exceedances, latest July 31, 2007, largest 15% over the limit.
- pH: 3 limits, 12 violations of any kind, 1 effluent exceedance, latest March 31, 2023.
- BOD, 5-day, 20 deg. C: 3 limits, 15 violations of any kind, 0 effluent exceedances.
- Flow, in conduit or thru treatment plant: 2 limits, 14 violations of any kind, 0 effluent exceedances.
- Chlorine, total residual: 2 limits, 14 violations of any kind, 0 effluent exceedances.
- Arsenic, dry weight: 5 limits, 5 violations of any kind, 0 effluent exceedances.
- Chromium, sludge, total, dry weight [as Cr]: 5 limits, 5 violations of any kind, 0 effluent exceedances.
- Oxygen, dissolved [DO]: 1 limit, 5 violations of any kind, 0 effluent exceedances.
- Selenium, dry weight: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Copper, dry weight: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Cadmium, dry weight: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Molybdenum, sludge, total, dry weight [as Mo]: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Zinc, sludge, total, dry weight [as Zn]: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Lead, sludge, total, dry weight [as Pb]: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Nickel, sludge, total, dry weight [as Ni]: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Mercury, sludge, total, dry weight [as Hg]: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Polychlorinated biphenyls [PCBs]: 1 limit, 3 violations of any kind, 0 effluent exceedances.
- Nickel, total [as Ni]: 2 limits, 2 violations of any kind, 0 effluent exceedances.
- Level of pathogen requirements achieved: 2 limits, 2 violations of any kind, 0 effluent exceedances.
- Description of pathogen option used: 2 limits, 2 violations of any kind, 0 effluent exceedances.
- Vector attraction reduction alternative used: 2 limits, 2 violations of any kind, 0 effluent exceedances.
- Toxicity characteristic leaching procedure: 1 limit, 2 violations of any kind, 0 effluent exceedances.
- Compliance w/part 258 sludge requirement: 1 limit, 2 violations of any kind, 0 effluent exceedances.
- Fecal coliform: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Ann. amt sludge disposed by other method: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Annual amt of sludge incinerated: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Annual sludge production, total: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Annual amount of sludge land applied: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Annual amt. sludge disposed surface unit: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Annual amt sludge disposed in landfill: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Annual amt sludge transported interstate: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Unit w/liner/leachate collection system: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Boundary areas: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Salmonella: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Pollutant table from 503.13: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Annual whole sludge application rate: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- March 25, 2026: Permit Violations - Violation Specified in Comment (ST6).
- March 25, 2026: Evaluation (S).
LAKE SOUTH WSC WWTP among its neighbors
EPA’s permit file holds 76 discharge permits in the Town Creek-Conroe Lake subwatershed (HUC 120401010206), TX0088447 among them. Its county holds 1,439, 16 of them major permits; TX0088447 is a minor permit.
Other permits in the Town Creek-Conroe Lake subwatershed (HUC 120401010206)
- 10533 W FM 1097, Willis: TXR1568MO, minor permit, discharging to LAKE CONROE, permit term to March 4, 2028
- 10918 DECATUR STREET, Willis: TXR1513ZB, minor permit, discharging to LAKE CONROE, permit term to March 4, 2028
- ADF EXCAVATION PIT, Willis: TXR05DX64, minor permit, permit term to August 13, 2021
- BRIARLEY, Montgomery: TXR1579UB, minor permit, discharging to THE SAN JACINTO RIVER BASIN, permit term to March 4, 2028
- CAPE CONROE, Montgomery: TXR1556XM, minor permit, discharging to LAKE CONROE, permit term to March 4, 2028
- CHAPEL BEND, Montgomery: TXR1565ME, minor permit, discharging to CARWILE CREEK, permit term to March 4, 2028
- CHAPEL RUN, Conroe: TXR1597XN, minor permit, discharging to WEST FORK SAN JACINTO RIVER, permit term to March 4, 2028
- DEL LAGO ESTATES WWTP, Montgomery: TX0104060, minor permit, discharging to LAKE CONROE, permit term to June 1, 2022
- DEL LAGO WWTF, Montgomery: TX0089630, minor permit, discharging to LAKE CONROE, permit term to June 1, 2022
- DETENTION TO SERVE TRIB 4X-1 AT THE WOODLANDS HILL, Willis: TXR1560PF, minor permit, discharging to STEWARTS CREEK, permit term to March 4, 2028
Identity
| Facility as filed | LAKE SOUTH WSC WWTP |
|---|---|
| Permittee as filed | LAKE SOUTH WATER SUPPLY CORPORATION |
| NPDES ID | TX0088447 |
| 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 |
| Issued | September 12, 2017 |
| Expiration date | June 1, 2022 |
| Address | Conroe, TX 77304 |
| Receiving water | LAKE CONROE; SAN JACINTO RIVER BASIN |
| Subwatershed | Town Creek-Conroe Lake (HUC 120401010206) |
| SIC | 4952 – Sewerage Systems |
Effluent limits and exceedances
- 37Pollutants on file
- 37Under a numeric limit
- 36With 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 |
|---|---|---|---|---|---|
| E. coli | 2 | 20 | 8 | March 31, 2025 | 99,999% over the limit |
| Solids, total suspended | 3 | 14 | 2 | July 31, 2007 | 15% over the limit |
| pH | 3 | 12 | 1 | March 31, 2023 | |
| BOD, 5-day, 20 deg. C | 3 | 15 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 14 | 0 | ||
| Chlorine, total residual | 2 | 14 | 0 | ||
| Arsenic, dry weight | 5 | 5 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 5 | 5 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 5 | 0 | ||
| Selenium, dry weight | 3 | 3 | 0 | ||
| Copper, dry weight | 3 | 3 | 0 | ||
| Cadmium, dry weight | 3 | 3 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 3 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 3 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 3 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 3 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 3 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 3 | 0 | ||
| Nickel, total [as Ni] | 2 | 2 | 0 | ||
| Level of pathogen requirements achieved | 2 | 2 | 0 | ||
| Description of pathogen option used | 2 | 2 | 0 | ||
| Vector attraction reduction alternative used | 2 | 2 | 0 | ||
| Toxicity characteristic leaching procedure | 1 | 2 | 0 | ||
| Compliance w/part 258 sludge requirement | 1 | 2 | 0 | ||
| Fecal coliform | 1 | 1 | 0 | ||
| Ann. amt sludge disposed by other method | 1 | 1 | 0 | ||
| Annual amt of sludge incinerated | 1 | 1 | 0 | ||
| Annual sludge production, total | 1 | 1 | 0 | ||
| Annual amount of sludge land applied | 1 | 1 | 0 | ||
| Annual amt. sludge disposed surface unit | 1 | 1 | 0 | ||
| Annual amt sludge disposed in landfill | 1 | 1 | 0 | ||
| Annual amt sludge transported interstate | 1 | 1 | 0 | ||
| Unit w/liner/leachate collection system | 1 | 1 | 0 | ||
| Boundary areas | 1 | 1 | 0 | ||
| Salmonella | 1 | 1 | 0 | ||
| Pollutant table from 503.13 | 1 | 1 | 0 | ||
| Annual whole sludge application rate | 1 | 0 | 0 |
Inspections, violations and enforcement
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| March 25, 2026 | Permit Violations - Violation Specified in Comment | ST6 |
Inspections
| Date | What EPA recorded | Agency |
|---|---|---|
| March 25, 2026 | Evaluation | S |
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 TX0088447.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.