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Comal County (Unincorporated)(3 more)

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Field
Local
Comal County (Unincorporated)
Comal County Development Services
Permit
Permit / AuthorizationFloodplain Development Permit / Drainage Review
Submit ToComal County Development Services
Lead TimePlan review typically 2–4 weeks
Application MethodSubmit via Comal County Development Services at 150 N. Seguin Ave., New Braunfels, TX 78130 or contact county engineering
FeeContact agency for current fee schedule
Water Quality
Impervious Cover LimitSignificant portions of unincorporated Comal County are within the Edwards Aquifer Recharge Zone or Contributing Zone — EAA permit required; impervious cover limits and water quality controls apply on regulated land; western portions of the county are over the recharge zone
On-Site Treatment RequiredNo
Detention RequiredYes — Detention required to limit post-development peak flows to pre-development levels per Comal County Drainage Criteria; applies in unincorporated areas; design must account for Hill Country flash flood risk from Guadalupe and Blanco river watersheds
Turbidity / Discharge StandardNo numeric NTU limit; discharges must comply with TCEQ TXR150000 and not degrade Guadalupe River, Comal River, Blanco River, or Edwards Aquifer recharge features
SWPPP
SWPPP / Local Plan RequiredYes — SWPPP per TCEQ TXR150000; drainage report required for county permits
PE Stamp RequiredYes
Inspections
Inspection RequirementsComal County Development Services inspects development in unincorporated areas.
Inspector QualificationNo county-specific certification required beyond TCEQ SWPPP requirements
Design & Zones
Local Design ManualComal County Drainage Criteria
Special Overlay ZonesEdwards Aquifer Recharge Zone (Western Comal County), Guadalupe River Canyon Floodplain, Blanco River Floodplain