HARRIS COUNTY MUD 221 WWTP
Quick Summary
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $19,687 in total penalties since records began.
- Address
-
15715 GROVEDALE DR
HOUSTON, TX 77024
View on map ↗ - County
- HARRIS County
- Inspections
- 2 · last Jan 28, 2025
- Total Penalties
- $19,687 · last Aug 19, 2021
- Registry ID
- 110064421111
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.
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 | Permit Violations - Violation Specified in Comment | Jan 28, 2025 | Feb 18, 2025 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | Mar 9, 2017 | — | Open |
| cwa | Schedule Event unachieved and not reported | Sep 23, 2007 | Jan 24, 2008 | Resolved |
| cwa | Schedule Event achieved late but reported | Sep 23, 2007 | — | Open |
| cwa | Effluent Violations - Unapproved Bypass | Feb 3, 1994 | — | Open |
| cwa | Reporting Violations - Noncompliance with Section 308 Information Request | Sep 5, 1991 | — | 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 |
|---|---|---|---|---|---|---|
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 5.70 mg/L | 6.00 | +5% | Jan 2024 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 5.00 mg/L | 6.00 | +17% | Nov 2023 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 5.40 mg/L | 6.00 | +10% | Aug 2019 | Open |
| E. coli | DMR, Limited - Numeric Violation | 1,200.00 MPN/100mL | 200.00 | +500% | Mar 2019 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,400.00 MPN/100mL | 200.00 | +1,100% | Feb 2019 | Open |
| Whole Effluent Toxicity [WET] - C. dubia | DMR, Limited - Numeric Violation | 41.00 % | 80.00 | +49% | Dec 2018 | Open |
| Whole Effluent Toxicity [WET] - C. dubia | DMR, Limited - Numeric Violation | 78.30 % | 80.00 | +2% | Dec 2018 | Open |
| E. coli | DMR, Limited - Numeric Violation | 300.00 MPN/100mL | 200.00 | +50% | May 2018 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 5.60 mg/L | 6.00 | +7% | Feb 2018 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.60 mg/L | 1.00 | +40% | Feb 2017 | Open |
| E. coli | DMR, Limited - Numeric Violation | 400.00 MPN/100mL | 200.00 | +100% | Nov 2015 | Open |
| Whole effluent toxicity | DMR, Limited - Numeric Violation | 31.00 % | 97.00 | +99,999% | Mar 2015 | Open |
| Whole effluent toxicity | DMR, Limited - Numeric Violation | 81.00 % | 97.00 | +99,999% | Mar 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.