NPDES TX0020800 · Clean Water Act
GREENWOOD UTILITY DISTRICT WWTP, Houston, TX: NPDES TX0020800 discharge permit, effluent exceedances, inspections, penalties
GREENWOOD UTILITY DISTRICT WWTP, Houston, Texas: Individual permit TX0020800, held by GREENWOOD UTILITY DISTRICT; Publicly owned treatment works; Administratively continued; issued August 16, 2017, term to August 1, 2022; discharges to GREENS BAYOU ABOVE TIDAL.
30 of the 38 pollutants listed for NPDES TX0020800 have no violation or effluent exceedance.
- Nitrogen, ammonia total [as N]: 6 limits, 37 violations of any kind, 28 effluent exceedances, latest March 31, 2023, largest 152% over the limit.
- Flow, in conduit or thru treatment plant: 2 limits, 25 violations of any kind, 9 effluent exceedances, latest July 31, 2024, largest 7% over the limit.
- Solids, total suspended: 3 limits, 15 violations of any kind, 6 effluent exceedances, latest September 30, 2017, largest 132% over the limit.
- E. coli: 2 limits, 12 violations of any kind, 6 effluent exceedances, latest April 30, 2026, largest 2,368% over the limit.
- pH: 3 limits, 8 violations of any kind, 2 effluent exceedances, latest October 31, 2024.
- BOD, carbonaceous [5 day, 20 C]: 3 limits, 9 violations of any kind.
- Chlorine, total residual: 2 limits, 6 violations of any kind.
- Oxygen, dissolved [DO]: 1 limit, 3 violations of any kind.
- Arsenic, dry weight: 5 limits.
- Chromium, sludge, total, dry weight [as Cr]: 5 limits.
- Selenium, dry weight: 3 limits.
- Copper, dry weight: 3 limits.
- Cadmium, dry weight: 3 limits.
- Molybdenum, sludge, total, dry weight [as Mo]: 3 limits.
- Zinc, sludge, total, dry weight [as Zn]: 3 limits.
- Lead, sludge, total, dry weight [as Pb]: 3 limits.
- Nickel, sludge, total, dry weight [as Ni]: 3 limits.
- Mercury, sludge, total, dry weight [as Hg]: 3 limits.
- Nickel, total [as Ni]: 2 limits.
- Level of pathogen requirements achieved: 2 limits.
- Description of pathogen option used: 2 limits.
- Vector attraction reduction alternative used: 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.
- Pollutant table from 503.13: 1 limit.
- May 27, 2026: Permit Violations - Violation Specified in Comment (ST6).
- May 27, 2026: Evaluation (S).
- April 25, 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; 545 were issued before TX0020800.
Coverages issued nearest TX0020800
- 2017-08-04: COPPERFIELD PLANT WWTP, Houston: TX0075884, held by HARRIS COUNTY MUD 208
- 2017-08-04: HIGHLANDS OF SALADO WWTF, Bell County: TX0125610, held by VILLAGE OF SALADO
- 2017-08-09: HARRIS COUNTY MUD 127 WWTP, Katy: TX0083500, held by HARRIS COUNTY MUD 127
- 2017-08-09: FORT BEND COUNTY MUD 30 WWTP2, Richmond: TX0135259, held by FORT BEND COUNTY MUD 30
- 2017-08-10: HARRIS COUNTY MUD 345 WWTF, Houston: TX0086690, held by HARRIS COUNTY MUD 345
- 2017-08-18: STANLEY LAKE MUD WWTP, Conroe: TX0022063, held by STANLEY LAKE MUD
- 2017-08-18: POINT AQUARIUS MUD WWTP, Willis: TX0022071, held by POINT AQUARIUS MUD
- 2017-08-18: MONTGOMERY COUNTY MUD 2 WWTP, Montgomery County: TX0032514, held by MONTGOMERY COUNTY UTILITY DISTRICT NO 2
- 2017-08-18: LAKE CONROE HILLS MUD WWTP, Willis: TX0054364, held by LAKE CONROE HILLS MUD
- 2017-08-18: MONTGOMERY COUNTY MUD 16 WWTP, Splendora: TX0078344, held by MONTGOMERY COUNTY MUD 16
GREENWOOD UTILITY DISTRICT WWTP among its neighbors
44 discharge permits are in the Middle Greens Bayou subwatershed (HUC 120401040605); TX0020800 is one. Its county: 4,455, 195 major; TX0020800 is major permit.
Other permits in the Middle Greens Bayou subwatershed (HUC 120401040605)
- ACC HOU - WINFIELD, Houston: TXR05GQ78, minor, term to 2026-08-13
- ACE FABRICATORS TRUCK YARD, Houston: TXR05FO58, minor, term to 2026-08-13
- ASM - WINFIELD, Houston: TXR05GQ79, minor, term to 2026-08-13
- CITY OF BLOOMING GROVE WWTP, Blooming Grove: TX0075418, minor, term to 2021-09-01
- CS CONCRETE READY MIX, Houston: TXG113957, minor, term to 2026-11-06
- DERICHEBOURG RECYCLING MOUNT HOUSTON YARD, Houston: TXR1559ML, minor, term to 2028-03-04
- DR KING R DAVIS JR EDUCATIONAL SUPPORT CENTER, Houston: TXR1547UV, minor, term to 2028-03-04
- DRAINAGE IMPROV IN PARKWAY MOBILE HOMES SUB FOR HCO PCT1, Houston: TXR1566UY, minor, term to 2028-03-04
- EAST MOUNT HOUSTON MHP WWTP, Houston: TX0094935, minor, term to 2022-12-01
- EAST MOUNT HOUSTON YARD, Houston: TXR05GG13, minor, term to 2026-08-13
Identity
| Facility | GREENWOOD UTILITY DISTRICT WWTP |
|---|---|
| Permittee | GREENWOOD UTILITY DISTRICT |
| NPDES ID | TX0020800 |
| Status | Administratively continued |
| Type | Individual permit |
| Class | Major |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | August 16, 2017 |
| Expires | August 1, 2022 |
| Address | Houston, TX 77044 |
| Receiving water | GREENS BAYOU ABOVE TIDAL |
| Subwatershed | Middle Greens Bayou (HUC 120401040605) |
| SIC | 4952 – Sewerage Systems |
NPDES TX0020800: effluent limits and exceedances
GREENWOOD UTILITY DISTRICT WWTP (NPDES TX0020800): 38 pollutants on file, 38 limited; 8 with a violation of any kind, 5 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 6 | 37 | 28 | March 31, 2023 | 152% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 25 | 9 | July 31, 2024 | 7% over the limit |
| Solids, total suspended | 3 | 15 | 6 | September 30, 2017 | 132% over the limit |
| E. coli | 2 | 12 | 6 | April 30, 2026 | 2,368% over the limit |
| pH | 3 | 8 | 2 | October 31, 2024 | |
| BOD, carbonaceous [5 day, 20 C] | 3 | 9 | 0 | ||
| Chlorine, total residual | 2 | 6 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 3 | 0 | ||
| Arsenic, dry weight | 5 | 0 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 5 | 0 | 0 | ||
| Selenium, dry weight | 3 | 0 | 0 | ||
| Copper, dry weight | 3 | 0 | 0 | ||
| Cadmium, dry weight | 3 | 0 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 0 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 0 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 0 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 0 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 0 | 0 | ||
| Nickel, total [as Ni] | 2 | 0 | 0 | ||
| Level of pathogen requirements achieved | 2 | 0 | 0 | ||
| Description of pathogen option used | 2 | 0 | 0 | ||
| Vector attraction reduction alternative used | 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 | ||
| Pollutant table from 503.13 | 1 | 0 | 0 |
NPDES TX0020800: inspections, violations and enforcement
NPDES TX0020800: 2 single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| May 27, 2026 | Permit Violations - Violation Specified in Comment | ST6 |
| April 25, 2024 | Permit Violations - Violation Specified in Comment | ST6 |
NPDES TX0020800: 1 inspection
| Date | What EPA recorded | Agency |
|---|---|---|
| May 27, 2026 | Evaluation | S |
NPDES TX0020800 (GREENWOOD UTILITY DISTRICT WWTP): no formal enforcement action and informal enforcement action on file.
Watch NPDES TX0020800
NPDES TX0020800: one email when its EPA record changes — $99/month.
Permits near NPDES TX0020800
NPDES TX0020800: 38 pollutant rows, 3 dated events; ICIS-NPDES download, loaded October 14, 2026.