HARRIS COUNTY MUD 203 WWTP

Address

400' S INTX GEARS RD AND SPEARS RD
HOUSTON, TX 77207
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County

HARRIS County

Inspections

2 · last Jun 26, 2025

Total Penalties

$4,400,000 · last Apr 1, 2021

Registry ID

110010922403

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

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 26, 2025	Jul 2, 2025	Resolved
cwa	Permit Violations - Violation Specified in Comment	Jun 15, 2023	Jun 29, 2023	Resolved
cwa	Dry-weather SSO discharge to waters of the U.S., not permit compliant, no endangerment	Feb 27, 2023	Feb 28, 2023	Resolved
cwa	Dry-weather SSO discharge to waters of the U.S., not permit compliant, no endangerment	Apr 12, 2022	Jun 30, 2022	Resolved
cwa	Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment	Mar 25, 2022	Mar 31, 2022	Resolved
cwa	WW SSO - Discharge to Waters	Oct 1, 2015	—	Open
cwa	WW SSO - Discharge to Waters	Jan 1, 2003	—	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
BOD, carbonaceous [5 day, 20 C]	DMR, Limited - Numeric Violation	38.00 mg/L	25.00	+52%	Oct 2025	Open
Solids, total suspended	DMR, Limited - Numeric Violation	46.00 mg/L	40.00	+15%	Oct 2025	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	22.00 mg/L	15.00	+47%	Oct 2025	Open
E. coli	DMR, Limited - Numeric Violation	2,420.00 MPN/100mL	200.00	+99,999%	Jan 2020	Open
E. coli	DMR, Limited - Numeric Violation	2,420.00 MPN/100mL	200.00	+99,999%	Aug 2019	Open
E. coli	DMR, Limited - Numeric Violation	2,420.00 MPN/100mL	200.00	+99,999%	Jul 2019	Open
E. coli	DMR, Limited - Numeric Violation	2,420.00 MPN/100mL	200.00	+99,999%	Mar 2019	Open
E. coli	DMR, Limited - Numeric Violation	2,420.00 MPN/100mL	200.00	+1,110%	Jul 2018	Open
BOD, carbonaceous [5 day, 20 C]	DMR, Limited - Numeric Violation	49.00 mg/L	25.00	+99,999%	Jul 2018	Open
E. coli	DMR, Limited - Numeric Violation	2,420.00 MPN/100mL	200.00	+99,999%	Sep 2017	Open
E. coli	DMR, Limited - Numeric Violation	921.00 MPN/100mL	200.00	+361%	May 2017	Open
E. coli	DMR, Limited - Numeric Violation	2,420.00 MPN/100mL	200.00	+99,999%	Nov 2016	Open
E. coli	DMR, Limited - Numeric Violation	1,300.00 MPN/100mL	200.00	+550%	Aug 2016	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 06-1994-N441 · Apr 7, 1994

CWA 309A AO For Compliance

Clean Water Act · Case 06-1993-N462 · Aug 31, 1993

CWA 309A AO For Compliance

Clean Water Act · Case 06-1993-N334 · Jan 21, 1993

CWA 309A AO For Compliance

Clean Water Act · Case 06-1990-N412 · Dec 13, 1989

CWA 309A AO For Compliance

Clean Water Act · Case 06-1988-N446 · Dec 3, 1987

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