Ohio State University Extension Bulletin

On-Site Sprinkler Irrigation of Treated Wastewater in Ohio

Bulletin 912


Step 3: Determine the Dimensions of the Area to Be Irrigated

Spray areas typically consist of squares, rectangles, or combinations of both. Avoid spraying near vegetable gardens, buildings, ponds, and streams. All irrigated water must be kept at least 10 feet from property lines and 50 feet from drinking water wells.

Below are examples of typical shapes used in irrigation design based on the area required for 2, 3, and 4 bedroom homes.

2 Bedroom (1925 sq ft) = 44 X 44 feet


3 Bedroom (2887.5 sq ft) = 29 X 100


4 Bedroom (3850 sq ft) = 30 X 61 sq ft+ 45 X 45 sq ft
* Drawings are not to scale
Example: Step 3

Home has three bedrooms.

Land area requirement = 2887.5 sq ft

Land area required = 2887.5 sq ft

Land area provided = 2888 sq ft

Dimensions: 38 ft x 76 ft

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Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture

All educational programs conducted by Ohio State University Extension are available to clientele on a nondiscriminatory basis without regard to race, color, creed, religion, sexual orientation, national origin, gender, age, disability or Vietnam-era veteran status.

Keith L. Smith, Associate Vice President for Ag. Adm. and Director, OSU Extension.

TDD No. 800-589-8292 (Ohio only) or 614-292-1868



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