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B. Inflow/lnfiltratMO Management Plan <br />An inflow/infiltration (I/I) reduction program was adopied as part of Orono s <br />i^pril 1993 amendment of the Comprehensive Sewer Policy Plan. This program <br />includes the following tasks and procedures: <br />1. Review and update the 1981 l/I Analysis by Bonestroo & Assoc. <br />2. Analyze lift stations to identify existing M sources <br />3. Ongoing flow data collection and analysis to identify new I/I sources quickly <br />if they occur <br />4. Continue rehabilitation of existing sewer ifrasiructure <br />5. Initiate a public education program <br />6. Adopt ordinance prohibiting illegal connections and initiating a sump pump <br />inspection program <br />7. Submit annual progress repon to MWCC (MCWS) <br />The City has followed through with this program as follows: <br />1993 - Established and commenced a sump pump inspection program to <br />identify illegal connections and require changes to private <br />plumbing systems when illegal connections are encountered. To <br />date, approximately___of Orono's sewered properties have <br />been inspected and___illegal connections have been identified <br />and converted to a legal status. <br />1994 - Adopted Ordinance » 129 prohibiting discharge of groundwater <br />and stormwater to the sewer system (The sump pump inspection <br />program was initiated under an earlier ordinance). Ordinance <br />#129 establishes a $100 per month surcharge for properties not in <br />compliance. <br />1994 - Established a public education program regarding I/I, including <br />distribution of information brochures and availability of staff for <br />answering queries. <br />1995 - Continual upgrading of lift stations is occurring as funding <br />permits. Orono's I/I program budget for 1995 is $15,000 which <br />is expected to cover televising of additional portions of the <br />system and some manhole sealing. Additionally, the budget <br />includes $20,000 for a street reconstruction management program <br />which will assist in establishing sewer line reconstruction <br />schedules. Since the 1981 l/l study the following system <br />upgrades intended to reduce i/I have been completed: <br />Year Cost Upgrade