Environmental Rules in Sahuarita, AZ (2026)
5 verified environmental rules for Sahuarita, Arizona, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Sahuarita requires detention or retention systems for new development that reaches three units per acre, larger subdivisions above six units per developed acre, and all commercial and industrial projects, sized to the Pima County Regional Flood Control District's design standards, per STC § 14.25.110(A).
Sahuarita Stormwater Detention Requirements
Some RestrictionsSahuarita Town Code § 14.25.110(A), (E)
A. Any development with a residential density of three or more units per acre, or any residential development larger than one acre that has a density of six units per developed acre, as well as all proposed commercial and industrial developments shall provide some method of peak and/or volumetric runoff reduction. The amount of reduction is stipulated in the Pima County Regional Flood Control D...
Erosion Control
Sahuarita requires every graded site to control erosion during and after construction under Town Code Section 16.40.010(H). Slopes, cleared areas and roadway shoulders must be protected with erosion control measures from the town's grading design manual, and skipping that control on an unpermitted site is a code violation enforced with stop-work orders.
Sahuarita Construction Erosion Control Standards
Some RestrictionsSahuarita Town Code §§ 16.40.010(H)(1), 16.80.010(B)-(C)(2)
§ 16.40.010. General grading performance standards. ... H. Drainage Control Systems. 1. Permanent Systems. a. Erosion control shall be constructed and maintained to prevent erosion of slopes, and cleared, brushed, grubbed or graded areas, in accordance with the grading design manual. b. Where cut slopes are not subject to erosion due to the erosion-resistant character of the native materials, e...
Flood Zones
Any construction or development in Sahuarita's mapped floodplains needs a floodplain use permit before work begins, per STC § 14.20.030. The floodplain administrator can deny a permit outright if a project would endanger life or property, and applicants pay a permit fee under the town's adopted fee schedule.
Sahuarita Floodplain Development Permit
Some RestrictionsSahuarita Town Code § 14.20.030(A), (D), (F)
A. A floodplain use permit shall be obtained before construction or development begins, including placement of manufactured homes, upon any land to which this title applies as defined in STC § 14.15.010. ... D. Applicants for floodplain use permits shall pay a fee in accordance with the adopted town fee schedule set forth in Chapter 3.10 STC. ... F. No permit shall be issued for any development...
Vehicle Idling Restrictions
Sahuarita bars deliveries, loading, unloading and idling at large retail sites next to homes between 10 p.m. and 6 a.m. under Town Code § 18.82.070(C)(6)(a), unless the activity happens inside an enclosed loading bay or on a side of the building facing away from the residential use.
Sahuarita Large-Retail Idling Curfew
Some RestrictionsSahuarita Town Code § 18.82.070(A), (C)(6)
Development Scale. Commercial development with any building greater than 80,000 square feet gross business area as a single freestanding use or in conjunction with other uses on a lot(s) or parcel(s). ... 6. Noise. When the large scale commercial retail development is adjacent to a residentially zoned property, the following noise restrictions shall apply: a. Deliveries, loading, unloading, idl...
Flood Elevation Requirements
Sahuarita's floodplain code sets a one-foot freeboard above base flood elevation as the town's "regulatory flood elevation." New construction and substantial improvements to residential structures must have their lowest floor, including any basement, built at or above that elevation, with stricter minimums in Zone A, Zone AO and Zone X (shaded), enforced by the town's floodplain administrator.
Sahuarita Base Flood Elevation Rules
Some RestrictionsSahuarita Town Code §§ 14.10.020, 14.25.010(C)(1), (3)
"Regulatory flood elevation" means an elevation one foot above the base flood elevation for a watercourse for which the base flood elevation has been determined or as determined by the criteria developed by the director of ADWR for all other watercourses. ... 1. New construction and substantial improvement of any residential structure shall have the lowest floor, including basement, elevated at...
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County ordinances apply to unincorporated areas and may supplement Sahuarita city rules.
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