Non-Compliance
Clean Water Act
CITY OF HIDALGO WWTP
Quick Summary
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $123,976 in total penalties since records began.
- Address
-
2300 HIGHLINE DR
HIDALGO, TX 78557
View on map ↗ - County
- HIDALGO County
- Inspections
- 4 · last Jan 15, 2026
- Total Penalties
- $123,976 · last Jan 7, 2026
- Registry ID
- 110034416852
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.
12
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 | Jan 15, 2026 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Oct 25, 2023 | Nov 9, 2023 | Resolved |
| cwa | Schedule Event unachieved and not reported | Sep 25, 2023 | Jan 16, 2024 | Resolved |
| cwa | Schedule Event unachieved but reported | Sep 25, 2023 | Jan 16, 2024 | Resolved |
| cwa | Schedule Event achieved late but reported | Sep 25, 2023 | — | Open |
| cwa | Schedule Event reported late | Sep 25, 2023 | — | Open |
| cwa | Schedule Event unachieved and not reported | Mar 31, 2023 | Jun 30, 2023 | Resolved |
| cwa | Schedule Event unachieved but reported | Mar 31, 2023 | Jun 30, 2023 | Resolved |
| cwa | Schedule Event achieved late but reported | Mar 31, 2023 | — | Open |
| cwa | Schedule Event reported late | Mar 31, 2023 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Oct 7, 2022 | Oct 25, 2023 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jul 13, 2022 | Oct 12, 2022 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | Apr 27, 2021 | Jun 18, 2021 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | Jan 25, 2018 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Jan 3, 2017 | — | Open |
| cwa | Schedule Event unachieved and not reported | Oct 15, 2015 | Jan 14, 2016 | Resolved |
| cwa | Schedule Event unachieved but reported | Oct 15, 2015 | Jan 14, 2016 | Resolved |
| cwa | Schedule Event achieved late but reported | Oct 15, 2015 | — | Open |
| cwa | Schedule Event reported late | Oct 15, 2015 | — | Open |
| cwa | Schedule Event unachieved and not reported | Aug 31, 2015 | Nov 30, 2015 | Resolved |
| cwa | Schedule Event unachieved but reported | Aug 31, 2015 | Nov 30, 2015 | Resolved |
| cwa | Schedule Event achieved late but reported | Aug 31, 2015 | — | Open |
| cwa | Schedule Event reported late | Aug 31, 2015 | — | Open |
| cwa | Schedule Event unachieved and not reported | Aug 16, 2015 | Nov 15, 2015 | Resolved |
| cwa | Schedule Event unachieved and not reported | Aug 16, 2015 | Nov 15, 2015 | Resolved |
| cwa | Schedule Event reported late | Aug 16, 2015 | — | Open |
| cwa | Schedule Event achieved late but reported | Aug 16, 2015 | — | Open |
| cwa | Schedule Event unachieved but reported | Aug 16, 2015 | Nov 15, 2015 | Resolved |
| cwa | Schedule Event reported late | Aug 16, 2015 | — | Open |
| cwa | Schedule Event achieved late but reported | Aug 16, 2015 | — | Open |
| cwa | Schedule Event unachieved but reported | Aug 16, 2015 | Nov 15, 2015 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | Apr 13, 2015 | — | Open |
| cwa | Schedule Event achieved late but reported | Aug 31, 2012 | — | Open |
| cwa | Schedule Event unachieved but reported | Aug 31, 2012 | — | Open |
| cwa | Schedule Event unachieved and not reported | Aug 31, 2012 | — | Open |
| cwa | Schedule Event reported late | Aug 31, 2012 | — | Open |
| cwa | Schedule Event unachieved but reported | Jul 1, 2012 | Nov 16, 2012 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jul 1, 2012 | Nov 16, 2012 | Resolved |
| cwa | Schedule Event reported late | Jul 1, 2012 | — | Open |
| cwa | Schedule Event achieved late but reported | Jul 1, 2012 | — | Open |
| cwa | Schedule Event achieved late but reported | Apr 1, 2012 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 1, 2012 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 1, 2012 | Apr 6, 2012 | Resolved |
| cwa | Schedule Event reported late | Jan 1, 2012 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 1, 2012 | Apr 6, 2012 | Resolved |
| cwa | Schedule Event reported late | Jul 1, 2011 | — | Open |
| cwa | Schedule Event reported late | Apr 1, 2011 | — | Open |
| cwa | Schedule Event reported late | Jan 1, 2011 | — | Open |
| cwa | Schedule Event reported late | Oct 1, 2010 | — | Open |
| cwa | Schedule Event reported late | Jul 1, 2010 | — | 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 | 7.29 mg/L | 3.00 | +143% | May 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 18.40 mg/L | 10.00 | +84% | May 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 20.80 mg/L | 10.00 | +108% | Apr 2025 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.11 mg/L | 0.10 | +10% | Nov 2023 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.65 mg/L | 0.10 | +550% | May 2023 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 1,203.30 MPN/100mL | 399.00 | +202% | Apr 2023 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.45 mg/L | 0.10 | +350% | Apr 2023 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.48 mg/L | 1.00 | +52% | Apr 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 19.00 mg/L | 10.00 | +90% | Mar 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 18.81 mg/L | 15.00 | +25% | Mar 2023 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.84 mg/L | 0.10 | +740% | Mar 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 53.00 mg/L | 40.00 | +33% | Mar 2023 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.86 mg/L | 1.00 | +14% | Mar 2023 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 1.71 mg/L | 0.10 | +1,610% | Feb 2023 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 648.80 MPN/100mL | 399.00 | +63% | Jan 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 82.00 mg/L | 40.00 | +105% | Dec 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.54 mg/L | 3.00 | +118% | Dec 2022 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 50.00 mg/L | 10.00 | +400% | Dec 2022 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,412.60 MPN/100mL | 399.00 | +505% | Nov 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 24.82 mg/L | 3.00 | +727% | Nov 2022 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 502.12 MPN/100mL | 126.00 | +299% | Nov 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 22.90 mg/L | 15.00 | +53% | Nov 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 71.90 mg/L | 40.00 | +80% | Nov 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 51.00 mg/L | 10.00 | +410% | Nov 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.98 mg/L | 3.00 | +66% | Mar 2022 | Open |
| E. coli | DMR, Limited - Numeric Violation | 193.28 MPN/100mL | 126.00 | +53% | Jan 2022 | Open |
| E. coli | DMR, Limited - Numeric Violation | 770.10 MPN/100mL | 399.00 | +93% | Jan 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.03 mg/L | 3.00 | +1% | Dec 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 7.22 mg/L | 3.00 | +141% | Mar 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 12.00 mg/L | 10.00 | +20% | Mar 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 53.00 mg/L | 40.00 | +33% | Feb 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 16.00 mg/L | 15.00 | +7% | Feb 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.96 mg/L | 3.00 | +32% | Nov 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 11.00 mg/L | 10.00 | +10% | Nov 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 11.00 mg/L | 10.00 | +10% | Oct 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 11.00 mg/L | 10.00 | +10% | Sep 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 13.10 mg/L | 10.00 | +31% | Jan 2017 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 12.20 mg/L | 10.00 | +22% | May 2015 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.13 mg/L | 3.00 | +4% | May 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.
State CWA Penalty AO
Clean Water Act
· Case TX-2023-0602-MWD-E · Jan 7, 2026
$65,600
Administrative - Formal
· Case 06-2023-1782 · Aug 25, 2023
State CWA Penalty AO
Clean Water Act
· Case TX-2020-1348-MWD-E · Apr 29, 2022
$58,376
State CWA Penalty AO
Clean Water Act
· Case TX-2013-1891-MWD-E · Jul 17, 2015
$73,025
Administrative - Formal
· Case 06-2014-1763 · Apr 9, 2014
State CWA Non Penalty AO
Clean Water Act
· Case TX-N00007588 · Apr 26, 2007
State CWA Non Penalty AO
Clean Water Act
· Case TX-N00004248 · May 26, 1999
CWA 309A AO For Compliance
Clean Water Act
· Case 06-1998-N425 · Jul 31, 1998
CWA 309A AO For Compliance
Clean Water Act
· Case 06-1992-N510 · Mar 12, 1992
CWA 309A AO For Compliance
Clean Water Act
· Case 06-1992-N627 · Oct 10, 1991
CWA 309A AO For Compliance
Clean Water Act
· Case 06-1991-N665 · Jul 8, 1991
CWA 309A AO For Compliance
Clean Water Act
· Case 06-1991-N508 · Jan 10, 1991
CWA 309A AO For Compliance
Clean Water Act
· Case 06-1990-N307 · Jun 21, 1990
CWA 309A AO For Compliance
Clean Water Act
· Case 06-1989-N509 · Dec 21, 1988
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