NPDES TX0046710 · Clean Water Act
HARRIS COUNTY WCID 116 WWTP, Houston, TX: NPDES TX0046710 discharge permit, effluent exceedances, inspections, penalties
HARRIS COUNTY WCID 116 WWTP, Houston, Texas: Individual permit TX0046710, held by HARRIS COUNTY WCID 116; Publicly owned treatment works; Administratively continued; issued April 16, 2018, term to April 16, 2023; discharges to CYPRESS CREEK.
1 of the 54 pollutants listed for NPDES TX0046710 have no violation or effluent exceedance.
- Flow, in conduit or thru treatment plant: 4 limits, 25 violations of any kind, 11 effluent exceedances, latest July 31, 2021, largest 99,999% over the limit.
- Nitrogen, ammonia total [as N]: 6 limits, 21 violations of any kind, 9 effluent exceedances, latest September 30, 2023, largest 340% over the limit.
- Chlorine, total residual: 2 limits, 10 violations of any kind, 4 effluent exceedances, latest March 31, 2026, largest 100% over the limit.
- Oxygen, dissolved [DO]: 2 limits, 7 violations of any kind, 4 effluent exceedances, latest May 31, 2026, largest 60% over the limit.
- BOD, carbonaceous [5 day, 20 C]: 6 limits, 17 violations of any kind, 2 effluent exceedances, latest June 30, 2019, largest 34% over the limit.
- Solids, total suspended: 3 limits, 13 violations of any kind, 1 effluent exceedance, latest May 31, 2004, largest 45% over the limit.
- E. coli, colony forming units [CFU]: 2 limits, 7 violations of any kind, 1 effluent exceedance, latest March 31, 2023, largest 1,110% over the limit.
- pH: 3 limits, 10 violations of any kind.
- Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas: 2 limits, 8 violations of any kind.
- NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas: 2 limits, 8 violations of any kind.
- NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas: 2 limits, 8 violations of any kind.
- Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas: 2 limits, 8 violations of any kind.
- LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas: 2 limits, 8 violations of any kind.
- LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas: 2 limits, 8 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.
- Whole effluent toxicity - retest #1: 3 limits, 5 violations of any kind.
- Whole effluent toxicity - retest #2: 3 limits, 5 violations of any kind.
- Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 4 violations of any kind.
- NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 4 violations of any kind.
- NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 4 violations of any kind.
- Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 4 violations of any kind.
- LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 4 violations of any kind.
- LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 4 violations of any kind.
- LC50 Pass/Fail Static 24Hr Acute Pimephales promelas: 1 limit, 4 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.
- LC50 Pass/Fail Static 24Hr Acute D. Pulex: 1 limit, 3 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.
- Polychlorinated biphenyls [PCBs]: 1 limit, 2 violations of any kind.
- Fecal coliform: 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.
- January 20, 2017: Permit Violations - Violation Specified in Comment (ST6).
Texas holds 1,720 Publicly owned treatment works coverages of this permit type in EPA’s file; 748 were issued before TX0046710.
Coverages issued nearest TX0046710
- 2018-04-09: NORTH LAREDO WWTP, Laredo: TX0057801, held by CITY OF LAREDO
- 2018-04-09: HARRIS COUNTY MUD NO 249 WWTP, Houston: TX0116068, held by HARRIS COUNTY MUD 249
- 2018-04-09: HARRIS COUNTY MUD 374, Houston: TX0124974
- 2018-04-09: CITY OF LINDEN JIMS BAYOU WWTP, Linden: TX0135984, held by CITY OF LINDEN
- 2018-04-09: CITY OF DILLEY WWTP, Dilley: TX0137936, held by CITY OF DILLEY
- 2018-04-16: HARRIS COUNTY MUD 230 WWTP, Houston: TX0094706, held by HARRIS COUNTY MUD 230
- 2018-04-16: HARRIS COUNTY MUD 1 WWTP 2, Houston: TX0129330, held by HARRIS COUNTY MUD 1
- 2018-04-18: MONTGOMERY COUNTY MUD 19 WWTP, Montgomery County: TX0076538, held by MONTGOMERY COUNTY MUD 19
- 2018-04-25: EMERALD FOREST UD WWTP, Houston: TX0027324, held by EMERALD FOREST UTILITY DISTRICT
- 2018-04-25: MEADOWHILL REGIONAL WWTP, Houston: TX0046663, held by MEADOWHILL REGIONAL MUD
HARRIS COUNTY WCID 116 WWTP among its neighbors
121 discharge permits are in the Marshall Lake-Cypress Creek subwatershed (HUC 120401020106); TX0046710 is one. Its county: 4,455, 195 major; TX0046710 is major permit.
Other permits in the Marshall Lake-Cypress Creek subwatershed (HUC 120401020106)
- ALTA LACEY ROAD, Tomball: TXR1599XG, minor, term to 2028-03-04
- AMPLIFY TOMBALL, Tomball: TXR1556TH, minor, term to 2028-03-04
- APEX OIL & GAS, INC., Houston: GMG290176, minor, term to 2012-09-30
- ASHER SPRING CYPRESS, Houston: TXR1539WZ, minor, term to 2028-03-04
- BAMMEL UTILITY DISTRICT WWTP, Houston: TX0046639, major, term to 2023-05-18
- BEARDED FOX BREWING, Tomball: TXRNECD24, minor, term to 2026-08-13
- BECK AND MASTEN KIA PHASE 2, Tomball: TXR1513YF, minor, term to 2028-03-04
- BILMA PUD - WWTP, Houston: TX0077941, minor, term to 2023-02-01
- BRICCO METAL FINISHING, Cypress: TXR05GL91, minor, term to 2026-08-13
- BRICCO METAL FINISHING, Cypress: TXRNEBU18, minor, term to 2026-08-13
Identity
| Facility | HARRIS COUNTY WCID 116 WWTP |
|---|---|
| Permittee | HARRIS COUNTY WCID 116 |
| NPDES ID | TX0046710 |
| Status | Administratively continued |
| Type | Individual permit |
| Class | Major |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | April 16, 2018 |
| Expires | April 16, 2023 |
| Address | Houston, TX 77069 |
| Receiving water | CYPRESS CREEK |
| Subwatershed | Marshall Lake-Cypress Creek (HUC 120401020106) |
| SIC | 4952 – Sewerage Systems |
NPDES TX0046710: effluent limits and exceedances
HARRIS COUNTY WCID 116 WWTP (NPDES TX0046710): 54 pollutants on file, 54 limited; 53 with a violation of any kind, 7 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| Flow, in conduit or thru treatment plant | 4 | 25 | 11 | July 31, 2021 | 99,999% over the limit |
| Nitrogen, ammonia total [as N] | 6 | 21 | 9 | September 30, 2023 | 340% over the limit |
| Chlorine, total residual | 2 | 10 | 4 | March 31, 2026 | 100% over the limit |
| Oxygen, dissolved [DO] | 2 | 7 | 4 | May 31, 2026 | 60% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 6 | 17 | 2 | June 30, 2019 | 34% over the limit |
| Solids, total suspended | 3 | 13 | 1 | May 31, 2004 | 45% over the limit |
| E. coli, colony forming units [CFU] | 2 | 7 | 1 | March 31, 2023 | 1,110% over the limit |
| pH | 3 | 10 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 2 | 8 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 2 | 8 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 2 | 8 | 0 | ||
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas | 2 | 8 | 0 | ||
| LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas | 2 | 8 | 0 | ||
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas | 2 | 8 | 0 | ||
| Arsenic, dry weight | 5 | 5 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 5 | 5 | 0 | ||
| Whole effluent toxicity - retest #1 | 3 | 5 | 0 | ||
| Whole effluent toxicity - retest #2 | 3 | 5 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 4 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 4 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 4 | 0 | ||
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 4 | 0 | ||
| LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 4 | 0 | ||
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 4 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute Pimephales promelas | 1 | 4 | 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 | ||
| LC50 Pass/Fail Static 24Hr Acute D. Pulex | 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 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 2 | 0 | ||
| Fecal coliform | 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 TX0046710: inspections, violations and enforcement
NPDES TX0046710: 1 single-event violation
| Date | What EPA recorded | Agency |
|---|---|---|
| January 20, 2017 | Permit Violations - Violation Specified in Comment | ST6 |
NPDES TX0046710 (HARRIS COUNTY WCID 116 WWTP): no inspection, formal enforcement action and informal enforcement action on file.
Watch NPDES TX0046710
NPDES TX0046710: one email when its EPA record changes — $99/month.
Permits near NPDES TX0046710
NPDES TX0046710: 54 pollutant rows, 1 dated events; ICIS-NPDES download, loaded October 14, 2026.