TIDWELL TIMBERS WWTP

Address

10545 TIDWELL ROAD
HOUSTON, TX 77078
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County

HARRIS County

Inspections

2 · last Jan 30, 2026

Total Penalties

$4,400,000 · last Apr 1, 2021

Registry ID

110009774538

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	Wet-weather SSO discharge to waters of the U.S., not permit compliant, no endangerment	Jul 9, 2024	Jul 31, 2024	Resolved
cwa	Wet-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment	May 17, 2024	Jul 31, 2024	Resolved
cwa	Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment	Apr 9, 2024	Apr 30, 2024	Resolved
cwa	Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment	Oct 25, 2023	Jul 31, 2024	Resolved
cwa	Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment	Jan 7, 2023	Apr 28, 2023	Resolved
cwa	Dry-weather SSO discharge to waters of the U.S., not permit compliant, no endangerment	Mar 11, 2022	Mar 31, 2022	Resolved
cwa	Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment	Jan 5, 2022	Mar 31, 2022	Resolved
cwa	Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment	May 21, 2021	May 21, 2021	Resolved
cwa	WW SSO - Discharge to Waters	Dec 17, 2017	—	Open
cwa	Permit Violations - Violation Specified in Comment	Jun 28, 2016	—	Open
cwa	WW SSO - Discharge to Waters	Oct 1, 2015	—	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
Solids, total suspended	DMR, Limited - Numeric Violation	50.00 mg/L	15.00	+233%	Jan 2025	Open
Solids, total suspended	DMR, Limited - Numeric Violation	180.00 mg/L	60.00	+200%	Jan 2025	Open
Solids, total suspended	DMR, Limited - Numeric Violation	48.58 kg/d	27.69	+75%	Jan 2025	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	16.00 mg/L	15.00	+7%	Jul 2024	Open
E. coli	DMR, Limited - Numeric Violation	2,420.00 MPN/100mL	200.00	+99,999%	Nov 2023	Open
E. coli	DMR, Limited - Numeric Violation	469.00 MPN/100mL	63.00	+644%	Oct 2023	Open
E. coli	DMR, Limited - Numeric Violation	2,420.00 MPN/100mL	200.00	+99,999%	Oct 2023	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	5.00 mg/L	3.00	+67%	Jul 2023	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	18.00 mg/L	15.00	+20%	Jul 2023	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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