2016-04-26_PWETC_AgendaPacket - Laserfiche WebLink

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Page 12 of 38 Permit No: MNR040000 (3) Date(s) and location(s) of events held for purposes of compliance with this requirement (4) Notices provided to the public of any events scheduled to meet this requirement, including any electronic correspondence (e.g., website, e-mail distribution lists, notices, etc.) 3. Illicit Discharge Detection and Elimination (IDDE) New permittees shall develop, implement, and enforce, and existing permittees shall revise their current program as necessary, and continue to implement and enforce, a program to detect and eliminate illicit discharges into the small MS4.The IDDE program shall consist of the following: a. Map of the small MS4 as required by Part III.C.1. b. Regulatory Mechanism(s) that effectively prohibits non-stormwater discharges into the small MS4, except those non-stormwater discharges authorized under Part I.B.I. c. Incorporation of illicit discharge detection into all inspection and maintenance activities conducted under Part III.D.6.e and f.Where feasible, illicit discharge inspections shall be conducted during dry-weather conditions (e.g., periods of 72 or more hours of no precipitation). d. Detecting and tracking the source of illicit discharges using visual inspections.The permittee may also include the use of mobile cameras, collecting and analyzing water samples, and/or other detailed inspection procedures that may be effective investigative tools. e. Training of all field staff, in accordance with the requirements of Part III.D.6.g(2), in illicit discharge recognition (including conditions which could cause illicit discharges), and reporting illicit discharges for further investigation. f. Identification of priority areas likely to have illicit discharges, including at a minimum, evaluating land uses associated with business/industrial activities, areas where illicit discharges have been identified in the past, and areas with storage of large quantities of significant materials that could result in an illicit discharge. Based on this evaluation, the permittee shall conduct additional illicit discharge inspections in those areas identified as having a higher likelihood for illicit discharges. g. For timely response to known, suspected, and reported illicit discharges: (1) Procedures for investigating, locating, and eliminating the source of illicit discharges. (2) Procedures for responding to spills, including emergency response procedures to prevent spills from entering the small MS4.The procedures shall also include the immediate notification of the Minnesota Department of Public Safety Duty Officer at 1-800-422-0798 (toll free) or 651-649-5451 (Metro area), if the source of the illicit discharge is a spill or leak as defined in Minn. Stat. § 115.061. (3) When the source of the illicit discharge is found, ERPs required by Part 111.13 (if necessary)to eliminate the illicit discharge and require any needed corrective action(s).