NPDES TX0058963 · Clean Water Act
ATASCOCITA REGIONAL WWTP, Houston, TX: NPDES TX0058963 discharge permit, effluent exceedances, inspections, penalties
ATASCOCITA REGIONAL WWTP, Houston, Texas: Individual permit TX0058963, held by HARRIS COUNTY MUD 109; Publicly owned treatment works; Administratively continued; issued March 12, 2018, term to December 1, 2022; discharges to WILLIAMS GULLY, GARNERS BAYOU, GREE.
1 of the 55 pollutants listed for NPDES TX0058963 have no violation or effluent exceedance.
- E. coli: 2 limits, 8 violations of any kind, 4 effluent exceedances, latest February 28, 2026, largest 1,100% over the limit.
- BOD, carbonaceous [5 day, 20 C]: 3 limits, 18 violations of any kind, 3 effluent exceedances, latest July 31, 2010, largest 212% over the limit.
- Solids, total suspended: 3 limits, 12 violations of any kind, 3 effluent exceedances, latest April 30, 2024, largest 47% over the limit.
- Nitrogen, ammonia total [as N]: 3 limits, 11 violations of any kind, 2 effluent exceedances, latest November 30, 2023, largest 70% over the limit.
- Chlorine, total residual: 2 limits, 7 violations of any kind, 1 effluent exceedance, latest December 31, 2019, largest 3,900% over the limit.
- Lead, total [as Pb]: 3 limits, 61 violations of any kind.
- Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex: 2 limits, 16 violations of any kind.
- LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas: 2 limits, 16 violations of any kind.
- NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex: 2 limits, 16 violations of any kind.
- NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas: 2 limits, 16 violations of any kind.
- LOAEC Lethal Static Renewal 48HR Acute Daphnia pulex: 2 limits, 16 violations of any kind.
- LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelas: 2 limits, 16 violations of any kind.
- Flow, in conduit or thru treatment plant: 4 limits, 12 violations of any kind.
- pH: 3 limits, 7 violations of any kind.
- Arsenic, dry weight: 5 limits, 5 violations of any kind.
- Chromium, sludge, total, dry weight [as Cr]: 5 limits, 5 violations of any kind.
- Selenium, dry weight: 3 limits, 3 violations of any kind.
- Copper, dry weight: 3 limits, 3 violations of any kind.
- Cadmium, dry weight: 3 limits, 3 violations of any kind.
- Molybdenum, sludge, total, dry weight [as Mo]: 3 limits, 3 violations of any kind.
- Zinc, sludge, total, dry weight [as Zn]: 3 limits, 3 violations of any kind.
- Lead, sludge, total, dry weight [as Pb]: 3 limits, 3 violations of any kind.
- Nickel, sludge, total, dry weight [as Ni]: 3 limits, 3 violations of any kind.
- Mercury, sludge, total, dry weight [as Hg]: 3 limits, 3 violations of any kind.
- Oxygen, dissolved [DO]: 1 limit, 3 violations of any kind.
- LC50 Pass/Fail Static 24Hr Acute D. Pulex: 1 limit, 3 violations of any kind.
- LC50 Pass/Fail Static 24Hr Acute Pimephales promelas: 1 limit, 3 violations of any kind.
- Whole effluent toxicity - retest #1: 3 limits, 2 violations of any kind.
- Whole effluent toxicity - retest #2: 3 limits, 2 violations of any kind.
- Nickel, total [as Ni]: 2 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.
- NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia: 0 limits, 2 violations of any kind.
- NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas: 0 limits, 2 violations of any kind.
- Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia: 0 limits, 2 violations of any kind.
- Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas: 0 limits, 2 violations of any kind.
- LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia: 0 limits, 2 violations of any kind.
- LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas: 0 limits, 2 violations of any kind.
- Fecal coliform: 1 limit, 1 violation of any kind.
- Polychlorinated biphenyls [PCBs]: 1 limit, 1 violation of any kind.
- Toxicity characteristic leaching procedure: 1 limit, 1 violation of any kind.
- Ann. amt sludge disposed by other method: 1 limit, 1 violation of any kind.
- Annual amt of sludge incinerated: 1 limit, 1 violation of any kind.
- Annual sludge production, total: 1 limit, 1 violation of any kind.
- Annual amount of sludge land applied: 1 limit, 1 violation of any kind.
- Annual amt. sludge disposed surface unit: 1 limit, 1 violation of any kind.
- Annual amt sludge disposed in landfill: 1 limit, 1 violation of any kind.
- Annual amt sludge transported interstate: 1 limit, 1 violation of any kind.
- Unit w/liner/leachate collection system: 1 limit, 1 violation of any kind.
- Compliance w/part 258 sludge requirement: 1 limit, 1 violation of any kind.
- Boundary areas: 1 limit, 1 violation of any kind.
- Salmonella: 1 limit, 1 violation of any kind.
- Pollutant table from 503.13: 1 limit, 1 violation of any kind.
- Annual whole sludge application rate: 1 limit.
- February 17, 2026: Focused (S).
- February 13, 2024: Permit Violations - Violation Specified in Comment (ST6).
Texas holds 1,720 Publicly owned treatment works coverages of this permit type in EPA’s file; 699 were issued before TX0058963.
Coverages issued nearest TX0058963
- 2018-02-21: BUFFALO CREEK WWTP, Rockwall: TX0078565, held by NORTH TEXAS MWD
- 2018-02-21: HARRIS COUNTY MUD 531 WWTP, Cypress: TX0135119, held by HARRIS COUNTY MUD 531
- 2018-03-08: ROSEHILL RESERVE-HARRIS COUNTY MUD 542 WWTP 1, Tomball: TX0135925, held by HARRIS COUNTY MUD 542
- 2018-03-09: WOODFOREST INTERIM 1 WWTP, Conroe: TX0129674, held by MONTGOMERY COUNTY MUD 113
- 2018-03-12: TIMBERLAKE WWTP, Houston: TX0046868, held by TIMBERLAKE IMPROVEMENT DISTRICT
- 2018-03-12: HARRIS COUNTY MUD 36 WWTP, Houston: TX0084085, held by HARRIS COUNTY MUD 36
- 2018-03-13: RONALD R COLLINS WATER RECLAMATION FACILITY, New Boston: TX0126098, held by RIVERBEND WATER RESOURCES DISTRICT
- 2018-03-14: HARRIS COUNTY FWSD 6 WWTP, Channelview: TX0027111, held by HARRIS COUNTY FWSD
- 2018-03-14: NORTHWEST FREEWAY MUD WWTP, Houston: TX0075183, held by NORTHWEST FREEWAY MUD
- 2018-03-14: ALDINE ISD CHRISMAN RD WTP, Houston: TX0094188, held by ALDINE ISD
ATASCOCITA REGIONAL WWTP among its neighbors
94 discharge permits are in the Garners Bayou subwatershed (HUC 120401040602); TX0058963 is one. Its county: 4,455, 195 major; TX0058963 is major permit.
Other permits in the Garners Bayou subwatershed (HUC 120401040602)
- 10.1 ACRES ATASCOCITA RD, Humble: TXR1501OH, minor, term to 2028-03-04
- 19115 LEE ROAD FACILITY, Humble: TXR05FA60, minor, term to 2026-08-13
- 19175 LEE ROAD FACILITY, Humble: TXR05FA59, minor, term to 2026-08-13
- 19577 LEE ROAD FACILITY, Humble: TXR05FA61, minor, term to 2026-08-13
- AIR GENERAL, Humble: TXRNEX640, minor, term to 2026-08-13
- AIR NEW ZEALAND AT IAH, Houston: TXRNECQ95, minor, term to 2026-08-13
- AMAZONCOM SERVICES IAH5, Humble: TXR05FD70, minor, term to 2026-08-13
- ATASCOCITA REGIONAL WWTP, Humble: TXR05GI42, minor, term to 2026-08-13
- ATASCOCITA VILLAGE MHP WWTP, Harris County: TX0020320, minor, term to 2022-12-01
- BCS HUMBLE WESTFIELD, Humble: TXR1540WT, minor, term to 2028-03-04
Identity
| Facility | ATASCOCITA REGIONAL WWTP |
|---|---|
| Permittee | HARRIS COUNTY MUD 109 |
| NPDES ID | TX0058963 |
| Status | Administratively continued |
| Type | Individual permit |
| Class | Major |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | March 12, 2018 |
| Expires | December 1, 2022 |
| Address | Houston, TX 77346 |
| Receiving water | WILLIAMS GULLY, GARNERS BAYOU, GREE |
| Subwatershed | Garners Bayou (HUC 120401040602) |
NPDES TX0058963: effluent limits and exceedances
ATASCOCITA REGIONAL WWTP (NPDES TX0058963): 55 pollutants on file, 49 limited; 54 with a violation of any kind, 5 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| E. coli | 2 | 8 | 4 | February 28, 2026 | 1,100% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 3 | 18 | 3 | July 31, 2010 | 212% over the limit |
| Solids, total suspended | 3 | 12 | 3 | April 30, 2024 | 47% over the limit |
| Nitrogen, ammonia total [as N] | 3 | 11 | 2 | November 30, 2023 | 70% over the limit |
| Chlorine, total residual | 2 | 7 | 1 | December 31, 2019 | 3,900% over the limit |
| Lead, total [as Pb] | 3 | 61 | 0 | ||
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | 2 | 16 | 0 | ||
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | 2 | 16 | 0 | ||
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | 2 | 16 | 0 | ||
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | 2 | 16 | 0 | ||
| LOAEC Lethal Static Renewal 48HR Acute Daphnia pulex | 2 | 16 | 0 | ||
| LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelas | 2 | 16 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 12 | 0 | ||
| pH | 3 | 7 | 0 | ||
| Arsenic, dry weight | 5 | 5 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 5 | 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 | ||
| Oxygen, dissolved [DO] | 1 | 3 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute D. Pulex | 1 | 3 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute Pimephales promelas | 1 | 3 | 0 | ||
| Whole effluent toxicity - retest #1 | 3 | 2 | 0 | ||
| Whole effluent toxicity - retest #2 | 3 | 2 | 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 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 0 | 2 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 0 | 2 | 0 | ||
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 0 | 2 | 0 | ||
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas | 0 | 2 | 0 | ||
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia | 0 | 2 | 0 | ||
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas | 0 | 2 | 0 | ||
| Fecal coliform | 1 | 1 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 1 | 0 | ||
| Toxicity characteristic leaching procedure | 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 | ||
| Compliance w/part 258 sludge requirement | 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 |
NPDES TX0058963: inspections, violations and enforcement
NPDES TX0058963: 1 single-event violation
| Date | What EPA recorded | Agency |
|---|---|---|
| February 13, 2024 | Permit Violations - Violation Specified in Comment | ST6 |
NPDES TX0058963: 1 inspection
| Date | What EPA recorded | Agency |
|---|---|---|
| February 17, 2026 | Focused | S |
NPDES TX0058963 (ATASCOCITA REGIONAL WWTP): no formal enforcement action and informal enforcement action on file.
Watch NPDES TX0058963
NPDES TX0058963: one email when its EPA record changes — $99/month.
Permits near NPDES TX0058963
NPDES TX0058963: 55 pollutant rows, 2 dated events; ICIS-NPDES download, loaded September 15, 2026.