Environmental Rules in Celina, TX (2026)
5 verified environmental rules for Celina, Texas, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Celina prohibits dumping anything but rain into the city's storm drain system, with narrow exceptions for things like landscape runoff and dechlorinated pool water.
Celina Bans Illicit Storm Drain Discharges
Some RestrictionsCity Code § 13.10.004
This article prohibits unauthorized discharges into the storm drain system in accordance with TPDES phase II MS4 permit TXR040000 part III section A.3.(a)(2)a. No person shall release discharges into the municipal storm drain containing any pollutants that cause or contribute to a violation of water quality standards, other than stormwater or authorized nonstormwater discharges.
Erosion Control
Celina requires a city permit before any excavation, fill, or grading work, plus engineered drainage design for new development.
Celina Grading and Drainage Permit
Some Restrictions§ 10.03.072(6)(D)
Excavation, fill and grading operations within the city limits shall be undertaken only after a proper permit has been obtained from the city. (7) Easements. Drainage easements shall be dedicated for public drainage features in accordance with requirements of this ordinance and the engineering standards. (8) Stormwater quality. Designs for new development shall manage stormwater in a mann...
Flood Zones
Celina requires a floodplain development permit before any construction, fill, or land-use change in a special flood hazard area.
Celina Floodplain Development Permit
Some Restrictions§ 3.05.008; § 3.05.075
A floodplain development permit shall be required to ensure conformance with the provisions of this article. ... Any person, firm or corporation violating any of the provisions of this article shall be deemed guilty of a misdemeanor and, upon conviction in the municipal court of the city, shall be subject to a fine not to exceed the sum of $500 for each offense.
Vehicle Idling Restrictions
Celina caps unattended engine idling at five minutes April through October and layers on sleeper-berth idling buffers near schools and hospitals.
Celina Vehicle Idling Time Limit
Some Restrictions§ 12.06.003
no person shall cause, suffer, allow, or permit the primary propulsion engine of a motor vehicle to idle for more than five (5) consecutive minutes when the motor vehicle is not in motion during the period of April 1st through October 31st of each calendar year.
Flood Elevation Requirements
New homes and businesses in Celina's mapped floodplain must be built at least 2 feet above the base flood elevation, not just at it.
Celina 2-Foot Freeboard Above Base Flood
Some Restrictions§ 3.05.042
Residential construction. New construction and substantial improvement of any residential structure shall have the lowest floor, including basement, elevated to at least two (2) feet above the base flood elevation. A registered professional engineer, architect or land surveyor shall submit an elevation certificate to the floodplain administrator that the standard of this subsection (1)... is sa...
Looking for Collin County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Celina city rules.
Environmental Rules in Collin County →