According to the state Outdoor Water Use Rules (Chapter 391-3-30.05 Exemptions). The following exemptions are applicable:
a. Capture and reuse of cooling system condensate or storm water in compliance with
applicable local ordinances.
b. Reuse of gray water in compliance with applicable local ordinances.
c. Use of reclaimed wastewater by a designated user from a system permitted by EPD to
provide reclaimed wastewater.
d. Irrigation of personal food gardens.
e. Water use, circulation and aeration for ponds or fountains, which maintain aquatic life.
f. Water may be used to wash hard surfaces, such as streets, gutters, sidewalks
driveways, school buses, fire trucks, emergency vehicles and police cars ONLY when
necessary for public health and safety.
g. Water may be used to water-in pesticides and herbicides.
h. Landscape professionals who hold a valid business license may use water to hydro-seed a lawn.
i. Landscape and irrigation contractors who hold a valid business license may use water
during installation of irrigation equipment and as needed for proper maintenance and adjustments only.
j. Sod producers, food and fiber producers, ornamental growers, fruit and vegetable growers,
nurseries and retail garden centers may water their stock.
k. Powerwashing contractors who hold a valid business license may use water to run
their powerwashing equipment for customers.
l. Water may be used on construction sites.
m. Water may be used for commercial car wash operations.
n. Water may be used for other activities essential to daily business (This exemption refers to activities that are part of a primary operation of a business. For example, a window washing business or a mobile car wash business is included in this category.