Clean Water Act discharge permit · NPDES TX0035220
QUAIL VALLEY UD WWTP, Missouri City, TX: NPDES TX0035220 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 54Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
QUAIL VALLEY UD WWTP, held by QUAIL VALLEY UD, holds NPDES permit TX0035220, which discharges to Directly To Upper Oyster Creek. EPA’s file records it issued December 20, 2018 and expiring December 20, 2023.
QUAIL VALLEY UD WWTP, Missouri City, Texas: Individual permit TX0035220, held by QUAIL VALLEY UD; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued December 20, 2018, term to December 20, 2023; discharges to DIRECTLY TO UPPER OYSTER CREEK.
- E. coli: 2 limits, 10 violations of any kind, 8 effluent exceedances, latest July 31, 2025, largest 514% over the limit.
- Solids, total suspended: 3 limits, 8 violations of any kind, 5 effluent exceedances, latest February 28, 2025, largest 50% over the limit.
- Chlorine, total residual: 2 limits, 7 violations of any kind, 5 effluent exceedances, latest January 31, 2023, largest 100% over the limit.
- Nitrogen, ammonia total [as N]: 6 limits, 7 violations of any kind, 4 effluent exceedances, latest December 31, 2009, largest 95% over the limit.
- Oxygen, dissolved [DO]: 2 limits, 4 violations of any kind, 3 effluent exceedances, latest December 31, 2021, largest 10% over the limit.
- LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 44 violations of any kind, 0 effluent exceedances.
- LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 44 violations of any kind, 0 effluent exceedances.
- Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 42 violations of any kind, 0 effluent exceedances.
- NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 42 violations of any kind, 0 effluent exceedances.
- NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 42 violations of any kind, 0 effluent exceedances.
- Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 42 violations of any kind, 0 effluent exceedances.
- LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas: 2 limits, 40 violations of any kind, 0 effluent exceedances.
- LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas: 2 limits, 40 violations of any kind, 0 effluent exceedances.
- Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas: 2 limits, 38 violations of any kind, 0 effluent exceedances.
- NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas: 2 limits, 38 violations of any kind, 0 effluent exceedances.
- NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas: 2 limits, 38 violations of any kind, 0 effluent exceedances.
- Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas: 2 limits, 38 violations of any kind, 0 effluent exceedances.
- Flow, in conduit or thru treatment plant: 4 limits, 9 violations of any kind, 0 effluent exceedances.
- Arsenic, dry weight: 5 limits, 5 violations of any kind, 0 effluent exceedances.
- Chromium, sludge, total, dry weight [as Cr]: 5 limits, 5 violations of any kind, 0 effluent exceedances.
- LC50 Pass/Fail Static 24Hr Acute D. Pulex: 1 limit, 5 violations of any kind, 0 effluent exceedances.
- LC50 Pass/Fail Static 24Hr Acute Pimephales promelas: 1 limit, 5 violations of any kind, 0 effluent exceedances.
- Whole effluent toxicity - retest #2: 3 limits, 4 violations of any kind, 0 effluent exceedances.
- pH: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Selenium, dry weight: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Copper, dry weight: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Cadmium, dry weight: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Molybdenum, sludge, total, dry weight [as Mo]: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Zinc, sludge, total, dry weight [as Zn]: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Lead, sludge, total, dry weight [as Pb]: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Nickel, sludge, total, dry weight [as Ni]: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Mercury, sludge, total, dry weight [as Hg]: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- BOD, carbonaceous [5 day, 20 C]: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Level of pathogen requirements achieved: 2 limits, 3 violations of any kind, 0 effluent exceedances.
- Description of pathogen option used: 2 limits, 3 violations of any kind, 0 effluent exceedances.
- Vector attraction reduction alternative used: 2 limits, 3 violations of any kind, 0 effluent exceedances.
- Nickel, total [as Ni]: 2 limits, 2 violations of any kind, 0 effluent exceedances.
- Pollutant table from 503.13: 1 limit, 2 violations of any kind, 0 effluent exceedances.
- Fecal coliform: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Ann. amt sludge disposed by other method: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Annual amt of sludge incinerated: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Annual amount of sludge land applied: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Annual amt. sludge disposed surface unit: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Annual amt sludge transported interstate: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Unit w/liner/leachate collection system: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Boundary areas: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Salmonella: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Whole effluent toxicity - retest #1: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Polychlorinated biphenyls [PCBs]: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Toxicity characteristic leaching procedure: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Annual whole sludge application rate: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Annual sludge production, total: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Annual amt sludge disposed in landfill: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Compliance w/part 258 sludge requirement: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- November 4, 2025: Permit Violations - Violation Specified in Comment (ST6).
- April 7, 2022: Permit Violations - Violation Specified in Comment (ST6).
- August 13, 2019: Permit Violations - Violation Specified in Comment (ST6).
Texas holds 1,720 Publicly owned treatment works coverages of this permit type in EPA’s file; 963 were issued before TX0035220.
Coverages issued nearest TX0035220
- December 4, 2018: GRANGER PINES WWTP, Grangerland, TX0138533, held by MONTGOMERY COUNTY MUD 164
- December 11, 2018: CITY OF JAMAICA BEACH WWTP, Jamaica Beach, TX0020061, held by JAMAICA BEACH, CITY OF
- December 11, 2018: BACLIFF MUD CENTRAL WWTP, Bacliff, TX0021369, held by BACLIFF MUD
- December 11, 2018: OAK LANE WWTP, Vidor, TX0023795, held by ORANGE COUNTY WCID 1
- December 17, 2018: CITY OF LIPAN WWTP, Lipan, TX0111333, held by CITY OF LIPAN
- December 20, 2018: MONTGOMERY COUNTY MUD 56 WWTP, Porter, TX0089672, held by MONTGOMERY CO MUD 56
- December 20, 2018: CITY OF MANVEL WWTP, Manvel, TX0118397, held by MANVEL, CITY OF
- December 21, 2018: CONROE SOUTHWEST REGIONAL WWTP, Conroe, TX0022268, held by CONROE,CITY OF
- December 21, 2018: NW HARRIS COUNTY MUD 9 WWTP, Harris County, TX0075221, held by NORTHWEST HARRIS COUNTY MUD 9
- January 2, 2019: GORMAN WWTP, Eastland County, TX0021806, held by GORMAN, CITY OF
QUAIL VALLEY UD WWTP among its neighbors
EPA’s permit file holds 149 discharge permits in the Middle Oyster Creek subwatershed (HUC 120402050200), TX0035220 among them. Its county holds 1,100, 41 of them major permits; TX0035220 is a major permit.
Other permits in the Middle Oyster Creek subwatershed (HUC 120402050200)
- 1172 FM 655, Rosharon: TXR1538XG, minor permit, discharging to AUSTIN BAYOU, permit term to March 4, 2028
- 12-INCH GRAVITY SEWER MAIN - MISSOURI CITY, Missouri City: TXR1527NQ, minor permit, discharging to OYSTER CREEK, permit term to March 4, 2028
- ANNISTON SECTION 13, Katy: TXR1597VR, minor permit, discharging to BEAR CREEK, permit term to March 4, 2028
- ANNISTON SECTION 17, Katy: TXR1598VB, minor permit, discharging to BEAR CREEK, permit term to March 4, 2028
- ANNISTON SECTION SECTION 1 2 3 & 5, Katy: TXR1584OO, minor permit, discharging to BEAR CREEK, permit term to March 4, 2028
- ASHLAND, Angleton: TXR1515WE, minor permit, discharging to STYLES BAYOU, permit term to March 4, 2028
- BWSC RESERVOIR PROJECT - OYSTER CREEK IMPROVEMENTS, Brazoria County: TXR1512UT, minor permit, discharging to OYSTER CREEK, permit term to March 4, 2028
- BWSC RESERVOIR PROJECT - RESERVOIR CONSTRUCTION, Angleton: TXR1562VG, minor permit, discharging to OYSTER CREEK, permit term to March 4, 2028
- CALDWELL RANCH, Iowa Colony: TXR1584NR, minor permit, discharging to CHOCALATE BAYOU, permit term to March 4, 2028
- CALDWELL RANCH, Rosharon: TXR1596UJ, minor permit, discharging to OYSTER CREEK ABOVE TIDAL, permit term to March 4, 2028
Identity
| Facility as filed | QUAIL VALLEY UD WWTP |
|---|---|
| Permittee as filed | QUAIL VALLEY UD |
| NPDES ID | TX0035220 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | December 20, 2018 |
| Expiration date | December 20, 2023 |
| Address | Missouri City, TX 77459 |
| Receiving water | DIRECTLY TO UPPER OYSTER CREEK |
| Subwatershed | Middle Oyster Creek (HUC 120402050200) |
| SIC | 4952 – Sewerage Systems |
Effluent limits and exceedances
- 54Pollutants on file
- 54Under a numeric limit
- 47With a violation of any kind
- 5With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| E. coli | 2 | 10 | 8 | July 31, 2025 | 514% over the limit |
| Solids, total suspended | 3 | 8 | 5 | February 28, 2025 | 50% over the limit |
| Chlorine, total residual | 2 | 7 | 5 | January 31, 2023 | 100% over the limit |
| Nitrogen, ammonia total [as N] | 6 | 7 | 4 | December 31, 2009 | 95% over the limit |
| Oxygen, dissolved [DO] | 2 | 4 | 3 | December 31, 2021 | 10% over the limit |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 44 | 0 | ||
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 44 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 42 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 42 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 42 | 0 | ||
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 42 | 0 | ||
| LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas | 2 | 40 | 0 | ||
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas | 2 | 40 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 2 | 38 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 2 | 38 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 2 | 38 | 0 | ||
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas | 2 | 38 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 9 | 0 | ||
| Arsenic, dry weight | 5 | 5 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 5 | 5 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute D. Pulex | 1 | 5 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute Pimephales promelas | 1 | 5 | 0 | ||
| Whole effluent toxicity - retest #2 | 3 | 4 | 0 | ||
| pH | 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 | ||
| BOD, carbonaceous [5 day, 20 C] | 3 | 3 | 0 | ||
| Level of pathogen requirements achieved | 2 | 3 | 0 | ||
| Description of pathogen option used | 2 | 3 | 0 | ||
| Vector attraction reduction alternative used | 2 | 3 | 0 | ||
| Nickel, total [as Ni] | 2 | 2 | 0 | ||
| Pollutant table from 503.13 | 1 | 2 | 0 | ||
| Fecal coliform | 1 | 1 | 0 | ||
| Ann. amt sludge disposed by other method | 1 | 1 | 0 | ||
| Annual amt of sludge incinerated | 1 | 1 | 0 | ||
| Annual amount of sludge land applied | 1 | 1 | 0 | ||
| Annual amt. sludge disposed surface unit | 1 | 1 | 0 | ||
| Annual amt sludge transported interstate | 1 | 1 | 0 | ||
| Unit w/liner/leachate collection system | 1 | 1 | 0 | ||
| Boundary areas | 1 | 1 | 0 | ||
| Salmonella | 1 | 1 | 0 | ||
| Whole effluent toxicity - retest #1 | 3 | 0 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 0 | 0 | ||
| Toxicity characteristic leaching procedure | 1 | 0 | 0 | ||
| Annual whole sludge application rate | 1 | 0 | 0 | ||
| Annual sludge production, total | 1 | 0 | 0 | ||
| Annual amt sludge disposed in landfill | 1 | 0 | 0 | ||
| Compliance w/part 258 sludge requirement | 1 | 0 | 0 |
Inspections, violations and enforcement
- 3Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| November 4, 2025 | Permit Violations - Violation Specified in Comment | ST6 |
| April 7, 2022 | Permit Violations - Violation Specified in Comment | ST6 |
| August 13, 2019 | Permit Violations - Violation Specified in Comment | ST6 |
Inspections
EPA’s inspection file holds no inspection for NPDES TX0035220.
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES TX0035220.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.