5 county-level rules, plus city-specific rules for 4 cities in Cuyahoga County, Ohio.
Verified from official government sources
The Northeast Ohio Regional Sewer District (NEORSD) administers stormwater management across Cuyahoga County under a federal NPDES MS4 permit. All new development disturbing 1 acre or more requires a NEORSD stormwater permit with post-construction BMPs. Property owners pay a quarterly Regional Stormwater Fee based on impervious surface area, funding watershed projects across the Cuyahoga River, Rocky River, and Lake Erie drainage basins.
Erosion and sediment control in Cuyahoga County follows the Ohio EPA Construction General Permit and NEORSD Title V regulations. Any earth-disturbing activity over 1 acre requires a Stormwater Pollution Prevention Plan (SWPPP) with silt fence, inlet protection, and stabilized construction entrances. The Cuyahoga Soil and Water Conservation District reviews plans for sites in unincorporated areas and assists municipalities with enforcement.
Cuyahoga County is one of eight Lake Erie coastal counties subject to the Ohio Coastal Management Program administered by ODNR's Office of Coastal Management under Ohio Revised Code Chapter 1506. Permanent structures (residential, commercial, industrial, manufactured homes, and septic systems serving 1-3 family dwellings) on land within a designated Lake Erie Coastal Erosion Area (CEA) require a Coastal Erosion Area permit from the ODNR Director under R.C. 1506.07. Shore structures (seawalls, revetments, groins, piers, docks) on or over Lake Erie also require an ODNR Office of Coastal Management Shore Structure Permit, and any encroachment on submerged lands of Lake Erie below the ordinary high-water mark requires a Submerged Lands Lease under R.C. 1506.11.
Cuyahoga County has significant flood risk from Lake Erie shoreline, the Cuyahoga River, Rocky River, Chagrin River, and numerous tributaries. FEMA Flood Insurance Rate Maps (FIRMs) were updated in 2019-2020. Properties in Special Flood Hazard Areas (SFHAs, Zones AE and A) require federal flood insurance if federally backed mortgages are in place. Lake Erie coastal communities (Bay Village, Rocky River, Bratenahl, Euclid) face flooding and erosion from high-water years.
Grading and drainage in Cuyahoga County require municipal building permits and compliance with NEORSD stormwater standards. Lots must drain away from foundations with a minimum 2% slope for 6 feet, and drainage cannot be directed onto adjacent properties under Ohio common law reasonable-use rule. Major grading projects (over 1 acre or 500 cubic yards) trigger Ohio EPA construction stormwater permits and SWPPP requirements.
4 cities in Cuyahoga County have their own environmental rules rules. Each link goes to that city's dedicated page with code citations.
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