NPDES TX0115983 · Clean Water Act
HARRIS COUNTY MUD 383 WWTF, Harris County, TX: NPDES TX0115983 discharge permit, effluent exceedances, inspections, penalties
HARRIS COUNTY MUD 383 WWTF, Harris County, Texas: Individual permit TX0115983, held by HARRIS COUNTY MUD 383; Publicly owned treatment works; Administratively continued; issued April 26, 2018, term to April 26, 2023; discharges to HCFCD K133-00-00;DRY GULLY;CYPRESS CK.
3 of the 55 pollutants listed for NPDES TX0115983 have no violation or effluent exceedance.
- Nitrogen, ammonia total [as N]: 3 limits, 6 violations of any kind, 3 effluent exceedances, latest March 31, 2020, largest 12% over the limit.
- Oxygen, dissolved [DO]: 1 limit, 4 violations of any kind, 3 effluent exceedances, latest July 31, 2007, largest 17% over the limit.
- Flow, in conduit or thru treatment plant: 4 limits, 8 violations of any kind, 2 effluent exceedances, latest May 31, 2015, largest 7% over the limit.
- Chlorine, total residual: 2 limits, 4 violations of any kind, 2 effluent exceedances, latest December 31, 2008, largest 3% over the limit.
- E. coli: 2 limits, 4 violations of any kind, 2 effluent exceedances, latest September 30, 2025, largest 34% over the limit.
- BOD, carbonaceous [5 day, 20 C]: 3 limits, 4 violations of any kind, 1 effluent exceedance, latest February 28, 2003, largest 142% over the limit.
- Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia: 4 limits, 6 violations of any kind.
- NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia: 4 limits, 6 violations of any kind.
- NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia: 4 limits, 6 violations of any kind.
- Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia: 4 limits, 6 violations of any kind.
- LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia: 4 limits, 6 violations of any kind.
- LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia: 4 limits, 6 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.
- Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas: 4 limits, 4 violations of any kind.
- NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas: 4 limits, 4 violations of any kind.
- NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas: 4 limits, 4 violations of any kind.
- Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas: 4 limits, 4 violations of any kind.
- LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas: 4 limits, 4 violations of any kind.
- LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas: 4 limits, 4 violations of any kind.
- pH: 3 limits, 3 violations of any kind.
- Solids, total suspended: 3 limits, 3 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.
- Solids, total dissolved: 0 limits, 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.
- 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.
- LC50 Pass/Fail Static 24Hr Acute D. Pulex: 1 limit, 1 violation of any kind.
- LC50 Pass/Fail Static 24Hr Acute Pimephales promelas: 1 limit, 1 violation of any kind.
- Whole effluent toxicity - retest #1: 7 limits.
- Whole effluent toxicity - retest #2: 7 limits.
- Annual whole sludge application rate: 1 limit.
- September 25, 2025: Permit Violations - Violation Specified in Comment (ST6).
Texas holds 1,720 Publicly owned treatment works coverages of this permit type in EPA’s file; 755 were issued before TX0115983.
Coverages issued nearest TX0115983
- 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
- 2018-04-25: RED OAK CREEK REGIONAL WWTP, Red Oak: TX0104345, held by TRINITY RIVER AUTHORITY OF TEXAS
- 2018-04-26: NORTHWEST HARRIS CO MUD#'S 21,22,23 WWTP, Houston: TX0079821, held by NW HARRISCO MUD NO. 21
- 2018-04-26: HARRIS COUNTY MUD 24 WTP, Houston: TX0113123, held by HARRIS COUNTY MUD NO. 180
- 2018-04-26: NORTHGATE CROSSING MUD 2 WWTP, Harris County: TX0119181, held by NORTHGATE CROSSING MUD 2
- 2018-04-26: SPRING TRAILS WWTF, Montgomery: TX0128295, held by MONTGOMERY COUNTY MUD 119
- 2018-04-26: HARRIS COUNTY MUD 319 WWTP, Hockley: TX0135241, held by HARRIS COUNTY MUD 319
- 2018-04-30: HUMBLE, CITY OF SOUTHWEST WWTP, Humble: TX0034401, held by CITY OF HUMBLE
- 2018-04-30: LONE STAR WWTP, Lone Star: TX0088081, held by CITY OF LONE STAR
HARRIS COUNTY MUD 383 WWTF among its neighbors
121 discharge permits are in the Marshall Lake-Cypress Creek subwatershed (HUC 120401020106); TX0115983 is one. Its county: 4,455, 195 major; TX0115983 is minor 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 MUD 383 WWTF |
|---|---|
| Permittee | HARRIS COUNTY MUD 383 |
| NPDES ID | TX0115983 |
| Status | Administratively continued |
| Type | Individual permit |
| Class | Minor |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | April 26, 2018 |
| Expires | April 26, 2023 |
| Address | Harris County, TX 77379 |
| Receiving water | HCFCD K133-00-00;DRY GULLY;CYPRESS CK |
| Subwatershed | Marshall Lake-Cypress Creek (HUC 120401020106) |
| SIC | 4952 – Sewerage Systems |
NPDES TX0115983: effluent limits and exceedances
HARRIS COUNTY MUD 383 WWTF (NPDES TX0115983): 55 pollutants on file, 54 limited; 52 with a violation of any kind, 6 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 3 | 6 | 3 | March 31, 2020 | 12% over the limit |
| Oxygen, dissolved [DO] | 1 | 4 | 3 | July 31, 2007 | 17% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 8 | 2 | May 31, 2015 | 7% over the limit |
| Chlorine, total residual | 2 | 4 | 2 | December 31, 2008 | 3% over the limit |
| E. coli | 2 | 4 | 2 | September 30, 2025 | 34% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 3 | 4 | 1 | February 28, 2003 | 142% over the limit |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 4 | 6 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 4 | 6 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 4 | 6 | 0 | ||
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 4 | 6 | 0 | ||
| LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia | 4 | 6 | 0 | ||
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia | 4 | 6 | 0 | ||
| Arsenic, dry weight | 5 | 5 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 5 | 5 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 4 | 4 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 4 | 4 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 4 | 4 | 0 | ||
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas | 4 | 4 | 0 | ||
| LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas | 4 | 4 | 0 | ||
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas | 4 | 4 | 0 | ||
| pH | 3 | 3 | 0 | ||
| Solids, total suspended | 3 | 3 | 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 | ||
| Solids, total dissolved | 0 | 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 | ||
| 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 | ||
| LC50 Pass/Fail Static 24Hr Acute D. Pulex | 1 | 1 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute Pimephales promelas | 1 | 1 | 0 | ||
| Whole effluent toxicity - retest #1 | 7 | 0 | 0 | ||
| Whole effluent toxicity - retest #2 | 7 | 0 | 0 | ||
| Annual whole sludge application rate | 1 | 0 | 0 |
NPDES TX0115983: inspections, violations and enforcement
NPDES TX0115983: 1 single-event violation
| Date | What EPA recorded | Agency |
|---|---|---|
| September 25, 2025 | Permit Violations - Violation Specified in Comment | ST6 |
NPDES TX0115983 (HARRIS COUNTY MUD 383 WWTF): no inspection, formal enforcement action and informal enforcement action on file.
Watch NPDES TX0115983
NPDES TX0115983: one email when its EPA record changes — $99/month.
Permits near NPDES TX0115983
NPDES TX0115983: 55 pollutant rows, 1 dated events; ICIS-NPDES download, loaded October 14, 2026.