Clean Water Act discharge permit · NPDES TX0077232
ODO J. RIEDEL REGIONAL WWTP, Bexar County, TX: NPDES TX0077232 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 79Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
ODO J. RIEDEL REGIONAL WWTP, held by CIBOLO CREEK MUNICIPAL AUTHORITY, holds NPDES permit TX0077232, which discharges to Mid Cibolo Creek. EPA’s file records it issued July 12, 2017 and expiring March 1, 2020. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | ODO J. RIEDEL REGIONAL WWTP |
|---|---|
| Permittee as filed | CIBOLO CREEK MUNICIPAL AUTHORITY |
| NPDES ID | TX0077232 |
| 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 | July 12, 2017 |
| Expiration date | March 1, 2020 |
| Address | Bexar County, TX 78108 |
| Receiving water | MID CIBOLO CREEK |
| Subwatershed | Dietz Creek-Cibolo Creek (HUC 121003040202) |
| Program components on file | POTW, Pretreatment |
| SIC | 4952 – Sewerage Systems |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 81Pollutants on file
- 79Under a numeric limit
- 66With a violation of any kind
- 7With 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; the 60 with the most exceedances of 81 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 5 | 175 | 159 | January 31, 2017 | 647% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 3 | 59 | 47 | February 28, 2010 | 164% over the limit |
| Solids, total suspended | 3 | 30 | 21 | January 31, 2015 | 980% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 19 | 5 | June 30, 2025 | 57% over the limit |
| Chlorine, total residual | 2 | 10 | 4 | November 30, 2014 | 1,122% over the limit |
| E. coli | 4 | 8 | 2 | January 31, 2016 | 289% over the limit |
| Polychlorinated biphenyls [PCBs] | 1 | 2 | 1 | July 31, 2009 | 99,999% over the limit |
| Phosphorus, total [as P] | 2 | 17 | 0 | ||
| Nitrogen, nitrate total [as N] | 2 | 8 | 0 | ||
| pH, in soil | 2 | 8 | 0 | ||
| Arsenic, dry weight | 6 | 7 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 6 | 7 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 4 | 7 | 0 | ||
| pH | 3 | 6 | 0 | ||
| Ammonia, unionized | 0 | 6 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 0 | 6 | 0 | ||
| Conductivity | 2 | 5 | 0 | ||
| Calcium, total [as Ca] | 2 | 5 | 0 | ||
| Magnesium, total [as Mg] | 2 | 5 | 0 | ||
| Sodium, total [as Na] | 2 | 5 | 0 | ||
| Potassium, total [as K] | 2 | 5 | 0 | ||
| Nitrogen, total [as N] | 2 | 4 | 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 | ||
| Cadmium, total [as Cd] | 1 | 4 | 0 | ||
| Copper, total [as Cu] | 1 | 4 | 0 | ||
| Lead, total [as Pb] | 1 | 4 | 0 | ||
| Molybdenum, total [as Mo] | 1 | 4 | 0 | ||
| Zinc, total [as Zn] | 1 | 4 | 0 | ||
| Selenium, total [as Se] | 1 | 4 | 0 | ||
| Mercury, total [as Hg] | 1 | 4 | 0 | ||
| Chloride [as Cl] | 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 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 3 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 3 | 0 | ||
| Toxicity characteristic leaching procedure | 1 | 3 | 0 | ||
| Salmonella | 1 | 3 | 0 | ||
| Level of pathogen requirements achieved | 2 | 2 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 2 | 2 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 2 | 2 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 2 | 2 | 0 | ||
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas | 2 | 2 | 0 | ||
| LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas | 2 | 2 | 0 | ||
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas | 2 | 2 | 0 | ||
| Description of pathogen option used | 2 | 1 | 0 | ||
| Vector attraction reduction alternative used | 2 | 1 | 0 | ||
| Fecal coliform | 1 | 1 | 0 | ||
| Annual whole sludge application rate | 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 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 4Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| September 23, 2025 | Permit Violations - Violation Specified in Comment | ST6 |
| April 24, 2024 | Permit Violations - Violation Specified in Comment | ST6 |
| April 6, 2022 | Permit Violations - Violation Specified in Comment | ST6 |
| December 12, 2018 | Permit Violations - Violation Specified in Comment | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.