Environmental Rules in Greenwood, IN (2026)
4 verified environmental rules for Greenwood, Indiana, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
In the City of Greenwood, Indiana, the Department of Stormwater Management regulates drainage design and stormwater discharge under UDO Article 4, Sec. 9-150 through Sec. 9-163. Sec. 9-150 sets the Article's objectives: reducing the hazard from excessive stormwater runoff, regulating pollutant contributions from construction and redevelopment, and prohibiting illicit discharges into the storm drain system.
Greenwood Stormwater Management Rules
Some RestrictionsGreenwood General Ordinances §§ 9-150, 9-156
c. The City has further determined it is necessary, for the protection of public health, safety, and welfare of the citizens of the City to regulate Stormwater and non-Stormwater Discharges to the storm Drainage system and to protect, conserve and promote the orderly Development of land and Water Resources within the City. ... b. Policy on Stormwater Quantity Management. It is recognized th...
Erosion Control
In the City of Greenwood, Indiana, any project that clears, grades, excavates, or otherwise disturbs land must follow Sec. 9-157's Stormwater Pollution Prevention Plan (SWPPP) rules. An individual lot disturbing 10,000 square feet or more, or any part of a larger common plan of development that will ultimately disturb that much land, needs an erosion and sediment control or stormwater management permit before Community Development Services issues a building permit.
Greenwood Erosion & Sediment Control Permit
Some RestrictionsGreenwood General Ordinances § 9-157
a. Applicability. The City shall require a Stormwater Pollution Prevention Plan (SWPPP) that includes erosion and sediment control measures and materials handling procedures, to be submitted as part of a project's construction plans and specifications. Projects located within the district that include clearing, grading, excavation or other land disturbing activities resulting in the disturbance...
Flood Zones
In the City of Greenwood, Indiana, any construction, fill, grading, or other development inside a mapped Special Flood Hazard Area (SFHA) needs a Floodplain Development Permit before work begins. The Greenwood Common Council adopted Unified Development Ordinance Sec. 10-02-31 to keep the city eligible for the National Flood Insurance Program and to stop development that raises flood heights or damages neighboring property.
Greenwood Floodplain Development Permit
Significant RestrictionsGreenwood General Ordinances § 10-02-31
A. Background. ... The flood hazard areas of the City of Greenwood are subject to periodic inundation which results in loss of life and property, health and safety hazards, disruption of commerce and governmental services, extraordinary public expenditures for flood protection and relief, and impairment of the tax base ... ... F. Establishment of Floodplain Development Permit. A Floodplain Deve...
Flood Elevation Requirements
In the City of Greenwood, Indiana, Sec. 10-02-31 sets the Flood Protection Grade (FPG) at the base flood elevation plus two feet of freeboard citywide. New and substantially improved residential structures in Zone A or Zone AE must have their lowest floor, including any basement, built at or above the FPG, and a Floodplain Development Permit is required before any development in a special flood hazard area.
Greenwood Flood Protection Grade Freeboard
Some RestrictionsGreenwood General Ordinances § 10-02-31
FLOOD PROTECTION GRADE (FPG). The BFE plus two (2) feet at any given location in the SFHA. (See FREEBOARD) ... Failure to obtain a Floodplain Development Permit in the SFHA or failure to comply with the requirements of a Floodplain Development Permit or conditions of a variance shall be deemed to be a violation of this section. All violations shall be considered a common nuisance and be treated...