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City of McKinney(3 more)

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Field
Local
City of McKinney
City of McKinney — Public Works / Engineering Department
Permit
Permit / AuthorizationGrading and Erosion Control Permit
Submit ToCity of McKinney — Public Works / Engineering Department
Lead Time10–15 business days; larger or complex projects may require additional time
Application MethodSubmit via City of McKinney online permitting portal (MyMcKinney / EnerGov) or in person at McKinney Development Center, 221 N. Tennessee St., McKinney, TX 75069; drainage study, grading plan, and ESC plan required
FeeContact agency for current fee schedule; fees typically based on disturbed acreage
Water Quality
Impervious Cover LimitNo city-wide impervious cover percentage cap; post-construction stormwater quality controls required for sites disturbing ≥1 acre; McKinney's post-construction program requires on-site BMPs for qualifying development
On-Site Treatment RequiredYes
Detention RequiredYes — Post-development peak discharge must not exceed pre-development rates for the 2-, 10-, and 100-year storm events per McKinney Drainage Design Criteria Manual; water quality volume capture required for sites meeting thresholds; detention/water quality facilities must be maintained under a recorded maintenance agreement
Turbidity / Discharge StandardComply with TCEQ TXR150000 construction effluent limits; post-construction WQ BMPs must meet McKinney MS4 Phase II minimum control measure requirements
SWPPP
SWPPP / Local Plan RequiredYes — SWPPP per TCEQ TXR150000; McKinney requires local ESC plan as part of Grading and Erosion Control Permit
PE Stamp RequiredYes
Inspections
Inspection RequirementsMcKinney Engineering Department conducts routine and complaint-driven construction site inspections. Inspections required at permit initiation, rough grading, and project closeout. Post-construction BMP inspection required before final permit release. Permittee must respond to inspection deficiencies within a specified cure period or face stop-work orders.
Inspector QualificationTCEQ-qualified inspector required per CGP; McKinney may require documentation of on-site inspector credentials
Design & Zones
Local Design ManualCity of McKinney Drainage Design Criteria Manual
Special Overlay ZonesEast Fork Trinity River / Tributary Corridors, Lake Lavon Contributing Watershed, FEMA Special Flood Hazard Area (SFHA)