Environmental Rules in Oklahoma City, OK (2026)
5 verified environmental rules for Oklahoma City, Oklahoma, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Oklahoma City regulates stormwater under Chapter 51 (Stormwater Quality Protection) and Chapter 16 (Drainage and Flood Controls). The city holds an MS4 permit under the Oklahoma Pollutant Discharge Elimination System. Construction sites disturbing one acre or more must obtain both state NOI coverage and a city erosion control permit with an approved Stormwater Pollution Prevention Plan (SWP3).
Oklahoma City Stormwater Management Rules
Heavy RestrictionsOkla. Stat. tit. 27A, Sec. 2-6-205 (Oklahoma Pollutant Discharge Elimination System - Stormwater Permits)
§27A-2-6-205. Unlawful discharge - Permit requirements - Authority of Department. A. Except as otherwise provided in subsection B of this section, it shall be unlawful for any facility, activity or entity regulated by the Department of Environmental Quality pursuant to the Oklahoma Pollutant Discharge Elimination System Act to discharge any pollutant into waters of the state or elsewher...
Erosion Control
Oklahoma City requires a site-specific permit for land disturbing activity and mandates erosion controls under City Code Chapter 48, Article II.
Erosion & Sediment Control in OKC
Some RestrictionsOklahoma City Code § 48-23(a)
(a)Stripping of vegetation, re-grading and other development activities shall be conducted so as to minimize erosion. Clearing and grubbing must be held to the minimum necessary for grading and equipment operation. Pre-construction vegetative ground cover shall not be destroyed, removed or disturbed more than 20 calendar days prior to grading or earth moving. Construction must be sequenced to m...
Flood Zones
A floodplain activity permit is mandatory for any development inside a FEMA floodplain or within 200 feet of it, and floodways bar new structures outright.
Floodplain Development Rules. Oklahoma City
Significant RestrictionsOklahoma City Code § 16-16
A floodplain activity permit is required for all man-made activities occurring within the FEMA floodplain, and all man-made activities within 200 feet of the external boundary of a FEMA floodplain... No structure, building, improvement, or development, whether temporary or permanent, may be constructed in the floodway, nor may any obstruction, fill or storage of goods, materials or equipment be...
Boat Dock Permits
OKC requires a rental permit to dock a boat in a wet stall at any city-operated reservoir, issued only to the titled boat owner.
Boat Dock Permits at OKC Reservoirs
Some RestrictionsOklahoma City Municipal Code § 38-247(a),(c)
Dry stalls and wet stalls may be rented, as available, at City-operated reservoirs through the purchase of a rental permit... The rental permit applicant must:(1)provide a copy of the title or registration and a valid Oklahoma City boat permit for the boat,(2)provide photo identification or some other identification deemed sufficient by the Director,...(4)pay the fee required by this Code, and(...
Flood Elevation Requirements
New construction and substantial improvements in Oklahoma City's 100-year floodplain must have the lowest floor elevated at least one foot above the base flood elevation, per Chapter 16 of the Municipal Code.
Oklahoma City Floodplain Elevation: One Foot of Freeboard
Some RestrictionsOklahoma City, OK Municipal Code § 16-6(c)
(1)New construction or substantial modification of residential buildings and structures (including manufactured homes) and accessory buildings must have the lowest floor (including basements) elevated to one foot above the level of the 100-year frequency flood.(2)New construction or substantial modification of nonresidential buildings and structures and accessory buildings within the 100-year f...