Non-Compliance
Clean Water Act
MUDDY CREEK REGIONAL WWTP
Quick Summary
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $0 in total penalties since records began.
- Address
-
1100' NE XING MUDDY CREEK BY
WYLIE, TX 75098
View on map ↗ - County
- COLLIN County
- Inspections
- 3 · last Dec 18, 2025
- Total Penalties
- $0
- Registry ID
- 110039897715
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.
6
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 | Permit Violations - Violation Specified in Comment | Dec 18, 2025 | Dec 18, 2025 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | Apr 19, 2022 | Apr 19, 2022 | Resolved |
| cwa | Schedule Event reported late | Sep 13, 2020 | — | Open |
| cwa | Schedule Event unachieved but reported | Sep 13, 2020 | Jul 8, 2021 | Resolved |
| cwa | Schedule Event achieved late but reported | Sep 13, 2020 | — | Open |
| cwa | Schedule Event unachieved and not reported | Sep 13, 2020 | Jul 13, 2021 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | May 27, 2020 | May 27, 2020 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | Nov 21, 2013 | — | 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 | 2,419.60 MPN/100mL | 399.00 | +99,999% | Jan 2026 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.70 mg/L | 2.00 | +35% | Sep 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 435.20 MPN/100mL | 399.00 | +9% | Sep 2025 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 31.38 MGD | 30.00 | +5% | Jan 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.20 mg/L | 2.00 | +10% | Jan 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 399.00 | +99,999% | Jan 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 89.21 kg/d | 75.82 | +18% | Jan 2025 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 31.10 MGD | 30.00 | +4% | Jun 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 229.00 mg/L | 40.00 | +473% | Apr 2024 | Open |
| E. coli | DMR, Limited - Numeric Violation | 437.40 MPN/100mL | 399.00 | +10% | Mar 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 10.40 mg/L | 10.00 | +4% | Mar 2023 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 399.00 | +99,999% | Feb 2023 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 30.52 MGD | 30.00 | +2% | Apr 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 61.20 mg/L | 40.00 | +53% | Dec 2020 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 399.00 | +507% | May 2019 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 33.09 MGD | 30.00 | +10% | Apr 2019 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 399.00 | +507% | Apr 2019 | Open |
| E. coli | DMR, Limited - Numeric Violation | 461.00 MPN/100mL | 399.00 | +16% | Dec 2018 | Open |
| E. coli | DMR, Limited - Numeric Violation | 488.00 MPN/100mL | 399.00 | +22% | Oct 2018 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 399.00 | +99,999% | Sep 2018 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 31.52 MGD | 30.00 | +5% | Sep 2018 | Open |
| E. coli | DMR, Limited - Numeric Violation | 548.00 MPN/100mL | 399.00 | +37% | Jun 2017 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 399.00 | +507% | Apr 2016 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 394.00 | +514% | Nov 2015 | Open |
| E. coli | DMR, Limited - Numeric Violation | 579.00 MPN/100mL | 394.00 | +47% | Oct 2015 | Open |
| E. coli | DMR, Limited - Numeric Violation | 1,733.00 MPN/100mL | 394.00 | +340% | Mar 2015 | Open |
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