Environmental Rules in Omaha, NE (2026)
4 verified environmental rules for Omaha, Nebraska, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Omaha prohibits dumping anything but stormwater into its storm sewer system, and puts upkeep of private drainage lines on the property owner.
Omaha bans illicit storm sewer dumping
Some RestrictionsOmaha Municipal Code §§ 32-21, 32-41, 32-143
No person shall cause the discharge of non-stormwater runoff to enter the municipal separate storm sewer system unless the discharge is one of the following: (a) Authorized by a NPDES permit... (c) Authorized by the City of Omaha... The owner of a property where a private storm water conveyance system is located shall be responsible for the maintenance and repair, and proper operation of the pr...
Erosion Control
Omaha requires a grading permit before any grading, clearing, or excavation large enough to need an NPDES stormwater permit, plus a $500-$1,000 fee.
Grading Permit Required in Omaha
Some RestrictionsOmaha Municipal Code §§ 32-101, 32-103
It shall be unlawful for any person to engage in or cause any grading, clearing, or excavation activities that result in the disturbance of any land areas sufficiently large to require a general NPDES construction site stormwater permit, without ... first obtaining a grading permit from the city's permits and inspection division... the applicant shall pay to the city a fee of $500.00 for ten ac...
Flood Zones
Any floodplain development or substantial improvement in Omaha requires a permit from the city's floodplain management coordinator before work starts, covering new construction, fill placement and manufactured-home siting inside flood fringe and floodway overlay districts under Omaha Municipal Code § 55-655.
Omaha Floodplain Development Permit Rules
Some RestrictionsOmaha Municipal Code § 55-655(a), (b), (d), (f)
(a) Permit required. No person, firm or corporation shall initiate any floodplain development or substantial improvement or cause the same to be done without first obtaining a separate permit for development as defined in section 55-654. (b) Administration. (1) The floodplain management coordinator is hereby appointed to administer and implement the provisions of this section... (d) For all new...
Flood Elevation Requirements
Omaha requires new and substantially improved homes in the flood fringe to elevate their lowest floor one foot above the base flood elevation, with equipment raised to match.
Omaha Base Flood Elevation Freeboard Rule
Some RestrictionsOmaha, NE Code of Ordinances § 55-658(b)(1)
New construction, substantially damaged, or substantially improved residential structures shall have the lowest floor, including basement, elevated to or above one foot above the highest base flood elevation available. All machinery and equipment, such as electrical, heating, ventilation, air conditioning, plumbing, and any other service facilities, must be elevated to the same level as the low...
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County ordinances apply to unincorporated areas and may supplement Omaha city rules.
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