SW

Stormwater Directory

Compare Regulations

Compare state-level permit requirements side-by-side (up to 4 states)

TX(3 more)

Rows with an amber indicator differ across selected states.

Field
TX
Texas
NPDES ProgramState-Delegated
Permitting AgencyTexas Commission on Environmental Quality (TCEQ)
Permit NameConstruction General Permit (TXR150000)
Construction Threshold≥ 1 acre of land disturbance (or < 1 acre if part of a larger common plan of development)
NOI Lead TimeMust file NOI and receive authorization before construction begins
Application MethodOnline via TCEQ Water Quality ePay system
Permit Fee$325 for projects disturbing < 5 acres; $525 for ≥ 5 acres
SWPPP RequiredYes
PE Certification RequiredNo
SWPPP Template AvailableYes
Inspection FrequencyEvery 14 days and within 24 hours of a rainfall event producing ≥ 0.5 inches
Inspector QualificationStormwater Pollution Prevention Plan (SWPPP) Inspector — no state license required but must be knowledgeable
Post-Construction RequiredYes
Turbidity StandardNot specified in CGP; discharges must not cause or contribute to violations of water quality standards