Reuse Of Reclaimed Wastewater Through Irrigation For Ohio Communities

Bulletin 860

Authors

Karen Mancl, Associate Professor
Food, Agricultural and Biological Engineering
The Ohio State University

Don Rector, Environmental Engineer
Division of Surface Water
Ohio Environmental Protection Agency

This project is supported, in part, by the Ohio Small Communities Environmental Infrastructure Group.

Contents

Tables and Figures

Table 1.

Site characteristics for wastewater reuse site
Figure 1.

Minimum acreage needed for very small irrigation systems
Figure 2
Minimum acreage needed for small- to medium-sized irrigation systems
Table 2.

Annual nitrogen application (expressed as lb n/acre/year) recommended for corn
Table 3.

Fecal coliform limits (MPN/100ml- 30 day average) for wastewater reuse
Table 4.

Limits for metals in treated wastewater for irrigation
Figure 3.

Sample signs for wastewater reuse sites
Figure 4.

Recommended volumes for wastewater storage basins
Figure 5.

Sample irrigation system plan
Figure 6.

Field map for wastewater reuse system
Table 5.

Small system monitoring (less than 150,000 gpd)
Table 6

Large system monitoring (150,000 to 500,000 gpd)

Part 1: Siting
Community considerations
Limitations
Selecting a site
Pretreatment objectives
Pretreatment technologies



Part 2: Design
Land requirements
Step 1
Step 2
Step 3
Step 4
Step 5
Step 6

Minimizing public health concerns
Provisions for severe weather
Water storage
Step 7
Step 8
Step 9

Evaluation of a site for wastewater reuse


Part 3: Management
Irrigation systems
System protection
Operation
Monitoring
Regulation and issuance of permits



References

Appendix A

Monthly evaporation data for Ohio counties
Appendix B

Monthly rainfall with 5-year return period by Ohio climatic divisions
Appendix C

Monthly rainfall data for Ohio counties

Copyright © The Ohio State University 1997