11-22-1999 Council Work Session - Laserfiche WebLink

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I I I I I I I I I I L a -------------(OLD TABLE)--------------- EXISTING ON-SITE SEWAGE TREATMENT SYSTEMS Residential Residential - Seasonal Churches Retail Golf Courses Conference Center Art Center Day Care Center City office 930 (includes farmsteads) SO (cabins - most on Big island) 4 4 (1 market, 1 auto repair, 2 boat suppliers) 3 (2 with clubhouse) I (Spring Hill - use varies) 1 (short class educational) I (5 days/week) 1 (5 days/week) TOTAL ON-SITE USERS 995 (NEW TABLE) Existing Individual Sewage Treatment Systems Residential Residential-Seasonal Churches Golf Courses Daycare Center 1101 SO (Cabins on Big Island) 3 4 1 Total On-Site Users 1159 ISTS Management Program The use of on-site sewage treatment systems is carefully regulated by the City per standards established bv the Minnesota Pollution Control Agency to assure adequate public health and environmental protection. City regulation of on-site sewage treatment systems began in the early 1950's when construction practices were inspected according to State Board of Health recommendations. In 1961, a new ordinance was adopted governing site evaluation, design and construction of all systems. The standards in this ordinance were equal to or exceeded those adopted by the Minnesota PCA MPCA in their 1978 WPC-40 Recommended Practices. Since the mid 1960's site evaluation and system design approval has been required prior to building permit issuance. In 1970, the City of Orono became one of the first cities in the nation to adopt a wetlands preservation ordinance prohibiting marshland destruction and establishing flood plains and protective setbacks for all construction including on-site systems. in 1974, the minimum rural lot size was increased from 1 acre gross area to 2 acres dry buildable net area per residence consistent with Federal EPA recommendations. Simultaneously, the City CMP 6-25