Non-Compliance
Clean Water Act
HARRIS COUNTY WCID 47 WWTP
Quick Summary
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $4,400,000 in total penalties since records began.
- Address
-
7410 GAVLESTON RD (STHWY 3)
HOUSTON, TX 77087
View on map ↗ - County
- HARRIS County
- Inspections
- 3 · last Jun 3, 2025
- Total Penalties
- $4,400,000 · last Apr 1, 2021
- Registry ID
- 110010922957
Compliance Status (Last 12 Quarters)
Number of calendar quarters, out of the last 12, in which this facility was in violation of its permit. Zero means no recorded violations in that program over the past three years.
1
Water (CWA)
Qtrs Non-Compliant
Qtrs Non-Compliant
Compliance Violations
Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.
| Program | Type | Violation Date | Return to Compliance | Status |
|---|---|---|---|---|
| cwa | Wet-weather SSO discharge to waters of the U.S., not permit compliant, no endangerment | Jul 18, 2024 | Aug 31, 2024 | Resolved |
| cwa | Wet-weather SSO discharge to waters of the U.S., not permit compliant, no endangerment | Jul 13, 2024 | Jul 31, 2024 | Resolved |
| cwa | Dry-weather SSO discharge to waters of the U.S. that may endanger health or the environment | Apr 18, 2024 | Jul 31, 2024 | Resolved |
| cwa | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | Dec 30, 2023 | Dec 31, 2023 | Resolved |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment | Dec 12, 2023 | Sep 30, 2024 | Resolved |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment | Oct 2, 2023 | Aug 31, 2024 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | Apr 28, 2023 | May 3, 2023 | Resolved |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment | Feb 9, 2023 | Sep 30, 2023 | Resolved |
| cwa | Dry-weather SSO discharge to waters of the U.S., not permit compliant, no endangerment | Nov 23, 2022 | Sep 30, 2023 | Resolved |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment | Feb 2, 2022 | Sep 30, 2022 | Resolved |
| cwa | Dry-weather SSO discharge to waters of the U.S., not permit compliant, no endangerment | Nov 4, 2021 | Dec 31, 2021 | Resolved |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment | Nov 1, 2021 | Dec 31, 2021 | Resolved |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment | Apr 1, 2021 | Apr 1, 2021 | Resolved |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment | Nov 10, 2020 | Jun 30, 2021 | Resolved |
| cwa | Dry-weather SSO discharge to waters of the U.S., not permit compliant, no endangerment | Oct 28, 2020 | Jun 30, 2021 | Resolved |
| cwa | WW SSO - Discharge to Waters | Jul 25, 2020 | — | Open |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Nov 1, 2019 | — | Open |
| cwa | WW SSO - Overflow to Dry Land or Building Backup | Sep 22, 2019 | — | Open |
| cwa | WW SSO - Discharge to Waters | May 3, 2018 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Apr 19, 2018 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Jan 21, 2016 | — | Open |
| cwa | WW SSO - Discharge to Waters | Oct 1, 2015 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Nov 5, 2013 | — | Open |
| cwa | WW SSO - Discharge to Waters | Jan 1, 2003 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | May 3, 1995 | Aug 31, 1998 | Resolved |
| cwa | Management Practice Violations - Improper Operation and Maintenance | May 3, 1995 | Aug 31, 1998 | Resolved |
| cwa | Effluent Violations - Unapproved Bypass | Aug 26, 1993 | May 3, 1995 | Resolved |
| cwa | Effluent Violations - Failed Toxicity Test | Jan 27, 1993 | — | Open |
| cwa | Effluent Violations - Failed Toxicity Test | Jan 28, 1992 | — | Open |
| cwa | Reporting Violations - Noncompliance with Section 308 Information Request | Sep 5, 1991 | — | Open |
| cwa | Effluent Violations - Unapproved Bypass | Jan 30, 1991 | Sep 7, 1993 | Resolved |
| cwa | Schedule Event achieved late but reported | Nov 15, 1988 | — | Open |
| cwa | Schedule Event achieved late but reported | Oct 20, 1988 | — | Open |
| cwa | Schedule Event achieved late but reported | Jun 13, 1988 | — | Open |
Discharge Limit Exceedances
Instances where this facility's reported discharge monitoring results exceeded its permitted limits under the Clean Water Act. Exceedance percentage shows how far over the permit limit the discharge was.
| Pollutant | Violation | Reported | Limit | Exceedance | Period | Status |
|---|---|---|---|---|---|---|
| E. coli | DMR, Limited - Numeric Violation | 1,200.00 MPN/100mL | 200.00 | +500% | Jul 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 613.00 MPN/100mL | 200.00 | +207% | Jan 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 16.00 mg/L | 10.00 | +60% | Jul 2024 | Open |
| E. coli | DMR, Limited - Numeric Violation | 222.00 MPN/100mL | 200.00 | +11% | Jul 2024 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 27.00 mg/L | 25.00 | +8% | Jul 2024 | Open |
| E. coli | DMR, Limited - Numeric Violation | 345.00 MPN/100mL | 200.00 | +73% | Dec 2023 | Open |
| E. coli | DMR, Limited - Numeric Violation | 727.00 MPN/100mL | 200.00 | +264% | Oct 2023 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 12.00 mg/L | 25.00 | +99,999% | Oct 2023 | Open |
| E. coli | DMR, Limited - Numeric Violation | 1,050.00 MPN/100mL | 200.00 | +425% | May 2023 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 12.00 mg/L | 25.00 | +99,999% | Apr 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 14.00 mg/L | 10.00 | +40% | Apr 2023 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 37.00 mg/L | 25.00 | +99,999% | Jan 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 13.00 mg/L | 10.00 | +30% | Jan 2023 | Open |
| E. coli | DMR, Limited - Numeric Violation | 1,550.00 MPN/100mL | 200.00 | +675% | Jul 2017 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 18.00 mg/L | 10.00 | +80% | Dec 2016 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 12.00 mg/L | 10.00 | +20% | May 2016 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.00 mg/L | 2.00 | +50% | May 2016 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 11.00 mg/L | 10.00 | +10% | Apr 2016 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 16.90 mg/L | 10.00 | +69% | Oct 2015 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 189.00 mg/L | 40.00 | +373% | Jun 2015 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 11.00 mg/L | 10.00 | +10% | May 2015 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.40 mg/L | 2.00 | +20% | May 2015 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 60.00 mg/L | 40.00 | +50% | May 2015 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 11.90 mg/L | 10.00 | +19% | Apr 2015 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.10 mg/L | 2.00 | +5% | Apr 2015 | Open |
Enforcement Actions
Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.
Judicial
· Case 06-2010-1780 · Apr 1, 2021
$4,400,000
CWA 309A AO For Compliance
Clean Water Act
· Case 06-2002-N279 · Aug 14, 2002
CWA 309A AO For Compliance
Clean Water Act
· Case 06-1995-N419 · May 3, 1995
CWA 309A AO For Compliance
Clean Water Act
· Case 06-1993-N297 · Aug 26, 1993
CWA 309A AO For Compliance
Clean Water Act
· Case 06-1991-N501 · Jan 30, 1991
CWA 309A AO For Compliance
Clean Water Act
· Case 06-1989-N372 · Jun 8, 1989
CWA 309A AO For Compliance
Clean Water Act
· Case 06-1988-N335 · Sep 27, 1988
CWA 309A AO For Compliance
Clean Water Act
· Case 06-1988-N294 · Sep 20, 1988
CWA 309A AO For Compliance
Clean Water Act
· Case 06-1988-N377 · May 25, 1988
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