Environmental Rules in Hendricks County, IN (2026)
3 rules for unincorporated Hendricks County, Indiana.
Verified from official government sources
Stormwater Management
Hendricks County's Stormwater Management Ordinance regulates development, illicit discharges, and drainage design countywide, requiring a stormwater permit before land disturbance and prohibiting non-stormwater discharges to the storm drain system. The County Drainage Board, Surveyor, and Clean Water Department administer and enforce it.
Stormwater Management Rules in Hendricks County
Significant RestrictionsHendricks County Code of Ordinances § 152.021(A)
No person shall discharge or illegally dump to a MS4 conveyance, watercourse, or waterbody, directly or indirectly, any substance other than stormwater or an exempted discharge. Any person discharging stormwater shall effectively minimize pollutants from also being discharged with the stormwater, through the use of best management practices (BMPs).
Erosion Control
Hendricks County requires a stormwater pollution prevention plan (SWPPP) with erosion and sediment control measures before any building permit issues for land-disturbing activity of one acre or more. The County Drainage Board, County Surveyor, and Clean Water Department jointly administer the program, and violations are enforced as civil infractions with daily fines and stop-work orders.
Hendricks County Erosion & Sediment Control
Some RestrictionsHendricks County Code of Ordinances § 152.061
Effective stormwater pollution prevention on construction sites is dependent on a combination of preventing movement of soil from its original position (erosion control), intercepting displaced soil prior to entering a waterbody (sediment control), and proper on-site materials handling. The developer shall submit to the county, a SWPPP with detailed erosion and sediment control plans as well as...
Flood Zones
Hendricks County's Chapter 151 Flood Hazard ordinance establishes Primary and Secondary Floodplain Districts based on FEMA flood insurance maps and county soil surveys, restricting new development to low-damage uses by right and requiring state Natural Resources review for anything else.
Floodplain Development Rules in Hendricks County
Significant RestrictionsHendricks County Code of Ordinances § 151.04(B)
These uses shall be permitted by right within the Primary and Secondary Floodplain Districts to the extent that they are not prohibited by any other ordinance, and provided they do not require structures, fill, or storage of materials or equipment: (1) Agricultural uses such as general farming, pasture grazing, orchards, plant nurseries, and vineyards; (2) Forestry, wildlife areas, and nature p...
All Hendricks County ordinances
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