NPDES TX0054186 · Clean Water Act
SAN JACINTO RIVER AUTHORITY WWTP 2, Conroe, TX: NPDES TX0054186 discharge permit, effluent exceedances, inspections, penalties
SAN JACINTO RIVER AUTHORITY WWTP 2, Conroe, Texas: Individual permit TX0054186, held by SJRA (WOODLANDS SUBDIVISION); Publicly owned treatment works; Administratively continued; issued December 10, 2013, term to March 1, 2018; discharges to PANTHER BRANCH.
22 of the 60 pollutants listed for NPDES TX0054186 have no violation or effluent exceedance.
- Flow, in conduit or thru treatment plant: 9 limits, 10 violations of any kind, 10 effluent exceedances, latest June 30, 2026, largest 43% over the limit.
- E. coli: 4 limits, 7 violations of any kind, 7 effluent exceedances, latest October 31, 2021, largest 1,635% over the limit.
- Chlorine, total residual: 4 limits, 5 violations of any kind, 5 effluent exceedances, latest April 30, 1997, largest 2,930% over the limit.
- Nitrogen, ammonia total [as N]: 6 limits, 6 violations of any kind, 2 effluent exceedances, latest April 30, 2003, largest 2,133% over the limit.
- Solids, total suspended: 6 limits, 5 violations of any kind, 1 effluent exceedance, latest June 30, 2002, largest 53% over the limit.
- Oxygen, dissolved [DO]: 2 limits, 1 violation of any kind, 1 effluent exceedance, latest April 30, 2000, largest 100% over the limit.
- Whole effluent toxicity: 0 limits, 14 violations of any kind.
- NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia: 4 limits, 12 violations of any kind.
- Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia: 4 limits, 10 violations of any kind.
- NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia: 4 limits, 10 violations of any kind.
- LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia: 4 limits, 10 violations of any kind.
- LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia: 4 limits, 10 violations of any kind.
- Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas: 4 limits, 8 violations of any kind.
- NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas: 4 limits, 8 violations of any kind.
- NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas: 4 limits, 8 violations of any kind.
- LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas: 4 limits, 8 violations of any kind.
- LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas: 4 limits, 8 violations of any kind.
- Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia: 0 limits, 8 violations of any kind.
- Pass/Fail Static Renewal 7Day Chronic Pimephales promelas: 0 limits, 8 violations of any kind.
- Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia: 0 limits, 8 violations of any kind.
- Coef Of Var Static Renewal 7Day Chronic Pimephales promelas: 0 limits, 8 violations of any kind.
- BOD, carbonaceous [5 day, 20 C]: 6 limits, 7 violations of any kind.
- Arsenic, dry weight: 5 limits, 7 violations of any kind.
- Selenium, dry weight: 3 limits, 7 violations of any kind.
- Copper, dry weight: 3 limits, 7 violations of any kind.
- Cadmium, dry weight: 3 limits, 7 violations of any kind.
- Molybdenum, sludge, total, dry weight [as Mo]: 3 limits, 7 violations of any kind.
- Zinc, sludge, total, dry weight [as Zn]: 3 limits, 7 violations of any kind.
- Chromium, sludge, total, dry weight [as Cr]: 5 limits, 6 violations of any kind.
- Lead, sludge, total, dry weight [as Pb]: 3 limits, 6 violations of any kind.
- Nickel, sludge, total, dry weight [as Ni]: 3 limits, 6 violations of any kind.
- Mercury, sludge, total, dry weight [as Hg]: 3 limits, 6 violations of any kind.
- Copper, total [as Cu]: 0 limits, 4 violations of any kind.
- Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia: 4 limits, 2 violations of any kind.
- Level of pathogen requirements achieved: 2 limits, 2 violations of any kind.
- Description of pathogen option used: 2 limits, 2 violations of any kind.
- Vector attraction reduction alternative used: 2 limits, 2 violations of any kind.
- Pollutant table from 503.13: 1 limit, 2 violations of any kind.
- Whole effluent toxicity - retest #1: 7 limits.
- Whole effluent toxicity - retest #2: 7 limits.
- pH: 5 limits.
- Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas: 4 limits.
- Nickel, total [as Ni]: 2 limits.
- Fecal coliform: 1 limit.
- Polychlorinated biphenyls [PCBs]: 1 limit.
- Toxicity characteristic leaching procedure: 1 limit.
- Annual whole sludge application rate: 1 limit.
- Ann. amt sludge disposed by other method: 1 limit.
- Annual amt of sludge incinerated: 1 limit.
- Annual sludge production, total: 1 limit.
- Annual amount of sludge land applied: 1 limit.
- Annual amt. sludge disposed surface unit: 1 limit.
- Annual amt sludge disposed in landfill: 1 limit.
- Annual amt sludge transported interstate: 1 limit.
- Unit w/liner/leachate collection system: 1 limit.
- Compliance w/part 258 sludge requirement: 1 limit.
- Boundary areas: 1 limit.
- Salmonella: 1 limit.
- LC50 Pass/Fail Static 24Hr Acute D. Pulex: 1 limit.
- LC50 Pass/Fail Static 24Hr Acute Pimephales promelas: 1 limit.
- October 12, 2026: Evaluation (S).
- January 23, 2026: Focused (S).
- October 5, 2022: Permit Violations - Violation Specified in Comment (ST6).
Texas holds 1,720 Publicly owned treatment works coverages of this permit type in EPA’s file; 91 were issued before TX0054186.
Coverages issued nearest TX0054186
- 2013-05-16: RANCHO VIEJO REVERSE OSMOSIS WTP, Cameron County: TX0117731, held by VALLEY MUD 2
- 2013-08-27: THE WOODLANDS WWTP 2, Woodland Lake: TX0091715, held by SAN JACINTO RIVER AUTHORITY
- 2013-09-20: GUNTER CREEK WWTF, Gunter: TX0027227, held by GUNTER, CITY OF
- 2013-09-20: THE WOODLANDS WWTP 3, Woodland Lake: TX0063461, held by SAN JACINTO RIVER AUTHORITY
- 2013-11-15: WEST WISE SURFACE WTP, Bridgeport: TX0133019, held by WEST WISE SUD
- 2013-12-12: TDCJ JESTER I UNIT WWTP, Richmond: TX0031674, held by TEXAS DEPARTMENT OF CRIMINAL JUSTICE
- 2013-12-23: CITY OF CORSICANA - WWTP 2, Corsicana: TX0056731, held by CORSICANA, CITY OF
- 2013-12-30: MCGREGOR SOUTH WWTF, Mcgregor: TX0023914, held by MCGREGOR, CITY OF
- 2014-01-09: SPRINGS HILL WWTF, Seguin: TX0025216, held by GUADALUPE-BLANCO RIVER AUTHORITY
- 2014-02-11: CITY OF HUTTO CENTRAL WWTP, Hutto: TX0025577, held by HUTTO, CITY OF
SAN JACINTO RIVER AUTHORITY WWTP 2 among its neighbors
37 discharge permits are in the Mink Branch-Walnut Creek subwatershed (HUC 120401020204); TX0054186 is one. Its county: 1,439, 16 major; TX0054186 is major permit.
Other permits in the Mink Branch-Walnut Creek subwatershed (HUC 120401020204)
- 19935 LIVE OAK BEND GALVAN RESIDENCE, Magnolia: TXR1517PY, minor, term to 2028-03-04
- 29223 VILLAGE CREEK CHEVALIER RESIDENCE, Magnolia: TXR1559QO, minor, term to 2028-03-04
- C&G WOODHAVEN PHASE 1B, Magnolia: TXR1533QL, minor, term to 2028-03-04
- CAMPBELL PLANT 16 MAGNOLIA, Magnolia: TXG110058, minor, term to 2021-11-07
- CITY OF MAGNOLIA WWTP, Magnolia: TX0072702, major, term to 2020-03-01
- CLOVER CREEK MUD WWTP, Magnolia Division: TX0097969, minor, term to 2023-05-09
- EMORY GLEN, Magnolia: TXR1590UT, minor, term to 2028-03-04
- EMORY GLEN, Magnolia: TXR1594TD, minor, term to 2028-03-04
- FAIR OAKS WWTP, Hockley: TX0139751
- FM 1488 - HOU CSJ 0523-08-007, Magnolia: TXR1588RG, minor, term to 2028-03-04
Identity
| Facility | SAN JACINTO RIVER AUTHORITY WWTP 2 |
|---|---|
| Permittee | SJRA (WOODLANDS SUBDIVISION) |
| NPDES ID | TX0054186 |
| Status | Administratively continued |
| Type | Individual permit |
| Class | Major |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | December 10, 2013 |
| Expires | March 1, 2018 |
| Address | Conroe, TX 77387 |
| Receiving water | PANTHER BRANCH |
| Subwatershed | Mink Branch-Walnut Creek (HUC 120401020204) |
NPDES TX0054186: effluent limits and exceedances
SAN JACINTO RIVER AUTHORITY WWTP 2 (NPDES TX0054186): 60 pollutants on file, 54 limited; 38 with a violation of any kind, 6 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| Flow, in conduit or thru treatment plant | 9 | 10 | 10 | June 30, 2026 | 43% over the limit |
| E. coli | 4 | 7 | 7 | October 31, 2021 | 1,635% over the limit |
| Chlorine, total residual | 4 | 5 | 5 | April 30, 1997 | 2,930% over the limit |
| Nitrogen, ammonia total [as N] | 6 | 6 | 2 | April 30, 2003 | 2,133% over the limit |
| Solids, total suspended | 6 | 5 | 1 | June 30, 2002 | 53% over the limit |
| Oxygen, dissolved [DO] | 2 | 1 | 1 | April 30, 2000 | 100% over the limit |
| Whole effluent toxicity | 0 | 14 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 4 | 12 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 4 | 10 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 4 | 10 | 0 | ||
| LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia | 4 | 10 | 0 | ||
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia | 4 | 10 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 4 | 8 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 4 | 8 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 4 | 8 | 0 | ||
| LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas | 4 | 8 | 0 | ||
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas | 4 | 8 | 0 | ||
| Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia | 0 | 8 | 0 | ||
| Pass/Fail Static Renewal 7Day Chronic Pimephales promelas | 0 | 8 | 0 | ||
| Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia | 0 | 8 | 0 | ||
| Coef Of Var Static Renewal 7Day Chronic Pimephales promelas | 0 | 8 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 6 | 7 | 0 | ||
| Arsenic, dry weight | 5 | 7 | 0 | ||
| Selenium, dry weight | 3 | 7 | 0 | ||
| Copper, dry weight | 3 | 7 | 0 | ||
| Cadmium, dry weight | 3 | 7 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 7 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 7 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 5 | 6 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 6 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 6 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 6 | 0 | ||
| Copper, total [as Cu] | 0 | 4 | 0 | ||
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 4 | 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 | ||
| Pollutant table from 503.13 | 1 | 2 | 0 | ||
| Whole effluent toxicity - retest #1 | 7 | 0 | 0 | ||
| Whole effluent toxicity - retest #2 | 7 | 0 | 0 | ||
| pH | 5 | 0 | 0 | ||
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas | 4 | 0 | 0 | ||
| Nickel, total [as Ni] | 2 | 0 | 0 | ||
| Fecal coliform | 1 | 0 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 0 | 0 | ||
| Toxicity characteristic leaching procedure | 1 | 0 | 0 | ||
| Annual whole sludge application rate | 1 | 0 | 0 | ||
| Ann. amt sludge disposed by other method | 1 | 0 | 0 | ||
| Annual amt of sludge incinerated | 1 | 0 | 0 | ||
| Annual sludge production, total | 1 | 0 | 0 | ||
| Annual amount of sludge land applied | 1 | 0 | 0 | ||
| Annual amt. sludge disposed surface unit | 1 | 0 | 0 | ||
| Annual amt sludge disposed in landfill | 1 | 0 | 0 | ||
| Annual amt sludge transported interstate | 1 | 0 | 0 | ||
| Unit w/liner/leachate collection system | 1 | 0 | 0 | ||
| Compliance w/part 258 sludge requirement | 1 | 0 | 0 | ||
| Boundary areas | 1 | 0 | 0 | ||
| Salmonella | 1 | 0 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute D. Pulex | 1 | 0 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute Pimephales promelas | 1 | 0 | 0 |
NPDES TX0054186: inspections, violations and enforcement
NPDES TX0054186: 1 single-event violation
| Date | What EPA recorded | Agency |
|---|---|---|
| October 5, 2022 | Permit Violations - Violation Specified in Comment | ST6 |
NPDES TX0054186: 2 inspections
| Date | What EPA recorded | Agency |
|---|---|---|
| October 12, 2026 | Evaluation | S |
| January 23, 2026 | Focused | S |
NPDES TX0054186 (SAN JACINTO RIVER AUTHORITY WWTP 2): no formal enforcement action and informal enforcement action on file.
Watch NPDES TX0054186
NPDES TX0054186: one email when its EPA record changes — $99/month.
Permits near NPDES TX0054186
NPDES TX0054186: 60 pollutant rows, 3 dated events; ICIS-NPDES download, loaded September 15, 2026.