Collin County and its cities operate under TPDES MS4 Phase II permits requiring stormwater management plans, illicit discharge bans, and construction site runoff controls for disturbances over 1 acre.
The Texas Commission on Environmental Quality (TCEQ) issues TPDES MS4 general permit TXR040000 covering Collin County and municipalities. Any land disturbance of 1 acre or more requires a TCEQ Construction General Permit TXR150000 and site-specific SWPPP. Plano, Frisco, McKinney, and Allen each operate stormwater utilities funded by monthly fees ($4-7 per ERU). Illicit discharges (car wash runoff, pool water, paint rinse) to storm drains are banned. Post-construction BMPs including detention ponds required for projects over 1 acre.
Illicit discharge: TCEQ civil penalty up to $25,000 per day under TX Water Code §7.102. City fines $500-2,000. Uncontrolled construction runoff: stop-work plus remediation cost.
Collin County, TX
Collin County Animal Services enforces barking complaints under TX Health and Safety Code 822 and county animal control rules. Persistent barking more than 2...
Collin County, TX
Collin County has no countywide overnight parking ban. Cities typically prohibit overnight parking in parks, commercial lots, and some residential streets. H...
Collin County, TX
Cities in Collin County require paved driveways of concrete or asphalt with maximum 20-foot curb cuts for single-family homes. Unincorporated county permits ...
Collin County, TX
TX Transportation Code Ch. 683 governs abandoned vehicles statewide. A vehicle is presumed abandoned after 48 hours on public property or 5 days if inoperabl...
Collin County, TX
Unincorporated Collin County roads have no posted parking restrictions outside school zones and fire lanes. Incorporated cities set their own street parking ...
Collin County, TX
Texas Property Code §202.019 prohibits HOAs from banning EV charging stations, effective September 2021. Collin County cities permit Level 2 chargers under s...
See how Collin County's stormwater management rules stack up against other locations.
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