Current through 2024-51, December 18, 2024
Section 096-570-7 - CSO progress reportsThe licensee must submit yearly CSO progress reports covering the previous calendar year.
The CSO progress report must include but is not necessarily limited to, the following topics.
A.CSO abatement projects. CSO abatement projects including milestone dates such as design start and completion and construction start and completion.B.Schedule comparison. A comparison of the existing schedule with the department approved implementation schedule. If the existing schedule is behind the approved schedule, list the reasons why, and how the licensee proposes to catch up in order to comply with the approved schedule.C.Progress on inflow sources. Progress made on locating and removing private inflow sources, such as roof leaders and basement sump pumps.D.Costs. Total cost and local share of CSO abatement projects to date, plus an anticipated budget for projects in the next year.E.Flow monitoring results. Results of any specific flow monitoring to determine effectiveness of previous CSO abatement projects. Compare actual CSO abatement with projections made during the CSO Master Plan.F.CSO activity and volumes. Yearly precipitation, CSO volumes (actual or estimated), and any block test data (see Section 6) submitted on department form titled "CSO Activity and Volumes". The form must be submitted on diskette, if possible, to allow easy data entry. Report any abnormalities during CSO monitoring.G. Nine minimum controls update. Work done on the Nine Minimum Controls during the year including, but not limited to the following. (1) Results of operation and maintenance programs for the sewer system and combined sewer overflows during the year, such as, frequency of regulator inspections, number of catch basins cleaned, and feet of sewer cleaned or repaired, with estimates of material removed, if possible.(2) Low cost projects to maximize use of the collection system for storage or to maximize flow to the POTW for treatment.(3) Modifications to the pretreatment program to assure the CSO impacts are minimized.(4) Low cost projects that maximize flow to the POTW for treatment.(5) Documentation that no CSO discharges occurred during dry weather.(6) Projects to control solid and floatable materials in CSO discharges.(7) Pollution prevention programs that focus on contaminant reduction activities.(8) Public notification to ensure that the public receives adequate notification of CSO occurrences and CSO impacts.(9) Any monitoring and sampling results to effectively characterize CSO impacts and the effectiveness of CSO controls.H.Sewer extensions and new commercial or industrial flows. List the sewer extensions and new commercial or industrial flows added during the year, along with what mitigating measures were accomplished to prevent these flows from contributing to CSOs (see Section 8).06-096 C.M.R. ch. 570, § 7