Environmental Rules in Little Rock, AR (2026)
5 verified environmental rules for Little Rock, Arkansas, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Little Rock operates an MS4 stormwater system under ADEQ permit authority. Property owners cannot discharge pollutants, sediment, or non-stormwater into city storm drains, gutters, or tributaries that flow to the Arkansas River.
Stormwater Discharge and MS4 Permit Rules
Some RestrictionsErosion Control
Little Rock requires a Land Alteration permit before grading, clearing, or filling that disturbs significant area. The Land Alteration and Erosion Control ordinance protects creeks, the Arkansas River, and downhill neighbors from sediment damage.
Land Alteration and Erosion Control Permit
Some RestrictionsFlood Zones
Little Rock participates in FEMA's National Flood Insurance Program and regulates development in flood-prone areas. Construction in designated flood zones requires elevation certificates and flood-resistant building techniques. The city maintains digital floodplain maps accessible online.
Little Rock Flood Zone Regulations
Heavy RestrictionsGrading & Drainage
Grading and drainage work must direct runoff away from neighbors and toward approved outlets. Little Rock requires drainage plans for new construction and additions that materially change site flow patterns or create concentrated discharge.
Grading and Drainage Standards
Some RestrictionsClimate Emergency Mobilization
Little Rock adopted a Sustainability Plan in 2020 setting climate, energy, and resilience goals. It is a guiding policy framework rather than a regulatory ordinance, so most actions are voluntary or incentive-based.