Clean Water Act
HC MUD 450 WWTP
Quick Summary
- •Assessed $4,400,000 in total penalties since records began.
- Address
-
16880 1/2 W LAKE HOUSTON PKWY
HUMBLE, TX 77346
View on map ↗ - County
- HARRIS County
- Inspections
- 2 · last Mar 31, 2025
- Total Penalties
- $4,400,000 · last Apr 1, 2021
- Registry ID
- 110010842927
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 | Permit Violations - Violation Specified in Comment | Jun 8, 2023 | Aug 14, 2023 | Resolved |
| cwa | Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment | Jun 28, 2022 | Jun 30, 2022 | Resolved |
| cwa | WW SSO - Overflow to Dry Land or Building Backup | Sep 7, 2019 | — | Open |
| cwa | WW SSO - Discharge to Waters | Oct 1, 2015 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Apr 6, 2015 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Aug 21, 2013 | — | Open |
| cwa | WW SSO - Discharge to Waters | Jan 1, 2003 | — | 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 |
|---|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 18.00 mg/L | 10.00 | +80% | Apr 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 200.00 | +99,999% | Oct 2024 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 200.00 | +99,999% | May 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 22.00 mg/L | 10.00 | +120% | Mar 2024 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 200.00 | +99,999% | Mar 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 26.33 kg/d | 17.25 | +53% | Feb 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 28.00 mg/L | 10.00 | +180% | Feb 2024 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 21.00 mg/L | 25.00 | +99,999% | Feb 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 10.00 mg/L | 3.00 | +233% | Feb 2024 | Open |
| E. coli | DMR, Limited - Numeric Violation | 1,990.00 MPN/100mL | 200.00 | +895% | Nov 2023 | Open |
| E. coli | DMR, Limited - Numeric Violation | 549.00 MPN/100mL | 200.00 | +175% | Aug 2023 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 200.00 | +99,999% | May 2023 | Open |
| Whole Effluent Toxicity [WET] - C. dubia | DMR, Limited - Overdue | 6.00 % | 10.00 | +40% | Sep 2020 | Open |
| Whole Effluent Toxicity [WET] - C. dubia | DMR, Limited - Overdue | 6.00 % | 10.00 | +40% | Sep 2020 | Open |
| Whole Effluent Toxicity [WET] - C. dubia | DMR, Limited - Numeric Violation | 6.00 % | 10.00 | +40% | Sep 2020 | Open |
| Whole Effluent Toxicity [WET] - C. dubia | DMR, Limited - Numeric Violation | 6.00 % | 10.00 | +40% | Sep 2020 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 3,778.00 MGD | 3,125.00 | +21% | Sep 2019 | Open |
| E. coli | DMR, Limited - Numeric Violation | 980.00 MPN/100mL | 399.00 | +146% | Jul 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 14.00 mg/L | 10.00 | +40% | May 2017 | 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
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