Irrigation and Collection Facilities for Southeastern Michigan Wastewater Management Program.
Abstract
Four irrigation sites in Southeastern Michigan and one site in Northwestern Ohio were selected as being suitable for wastewater renovation. These five sites represent about 1100 square miles and will treat the equivalent of 3366 million gallons per day (MGD). Wastewater application rate will average two inches per week for 35 weeks (70 inches/year). Crops grown on the irrigated land are grasses and legumes in a 10- or 12-year rotation. Total capital cost for irrigation and percolate collection facilities on the five sites is about $1.7 billion. Annual operation and maintenance cost and total annualized cost are about $57 and $137 per million gallons of treated wastewater, respectively. Costs do not include sewage collection and transmission, lagoon treatment and storage, disinfection, and sludge disposal. Land treatment is expected to remove 98% of the BOD, 95% COD, 85% N, 99% P, 95% metals, 99% suspended solids, and 99% of the pathogens contained in Southeastern Michigan wastewater. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Nov 01, 1972
- Accession Number
- ADA041120