NR 216.48(1)(1) Records. The permittee or landowner required to submit a notice of intent under this subchapter shall retain records of all construction site inspections, copies of all reports and plans required by the permit, and records of all data used to obtain coverage under the permit. Minimum periods of retention are as follows:

NR 216.48(1)(a)(a) The erosion control and storm water management plans and amendments to the erosion control and storm water management plans shall be retained at the construction site until permit coverage is terminated in accordance with s. NR 216.55.

NR 216.48(1)(b)(b) All reports required by this subchapter or information submitted to obtain permit coverage under this subchapter, including the erosion control and storm water management plans, amendments and background information used in their preparation, shall be kept for a period of at least 3 years from the date of notice of termination.

NR 216.48 NoteNote: The storm water management plan and long-term maintenance agreement should be kept as long as necessary to document proper maintenance of long-term storm water best management practices in accordance with subchs. III and IV of ch. NR 151.

NR 216.48(2)(2) Local approvals. A landowner operating a construction site under approved municipal sediment and erosion plans, grading plans or storm water management plans shall also submit signed copies of the notice of intent to the local agency approving the plans. If storm water from the construction site discharges to a municipal separate storm sewer system that is regulated under a municipal storm water discharge permit issued pursuant to subch. I, then a signed copy of the notice of intent shall also be sent to the operator of the system.

NR 216.48(3)(3) Additional information. Upon request by the department, the permittee or landowner required to submit a notice of intent under this subchapter shall provide a copy of the erosion control and storm water management plans, construction site inspections and any additional data requested, within 5 working days to the department, to the operator of the municipal storm sewer system that receives the storm water discharge, and any municipal agency approving sediment and erosion plans, grading plans or storm water management plans. Additional information may be requested by the department for resource waters that require additional protection such as outstanding or exceptional resource waters, or other sensitive water resources.

NR 216.48(4)(a)(a) Conduct the following construction site inspections:

NR 216.48(4)(a)2.2. Inspections of erosion and sediment controls within 24 hours after a precipitation event of 0.5 inches or greater. A precipitation event may be considered to be the total amount of precipitation recorded in any continuous 24-hour period.

NR 216.48(4)(b)(b) Repair or replace erosion and sediment control best management practices as necessary within 24 hours of an inspection or department notification that repair or replacement is needed.

NR 216.48(4)(c)(c) Maintain, at the construction site or available via an Internet website, weekly written reports of all inspections conducted by or for the permittee or landowner required to submit a notice of intent under this subchapter. The landowner shall notify the department of all appropriate Internet addresses to access the weekly inspection records. Weekly inspection reports shall include all of the following:

NR 216.49(1)(1) Local compliance. The erosion control and storm water management plans shall document other applicable municipal regulatory provisions, compliance with which will also meet the requirements of the permit. If these municipal provisions are more stringent than those provisions appearing in a permit issued pursuant to this subchapter, the erosion control and storm water management plans shall include a description of how compliance with the municipal provisions will be achieved.

NR 216.49(3)(3) Impaired waters. For any of the receiving waters designated as an impaired water, the erosion control plan required under s. NR 216.46 and the storm water management plan required under s. NR 216.47 shall contain a written assessment of the potential for storm water from the facility to discharge a pollutant of concern and identify the control measures and maintenance practices that will collectively be used to reduce, with the goal of eliminating, storm water discharge containing pollutants of concern.

NR 216.49(4)(4) TMDL. If the permittee is subject to an US EPA-approved TMDL, the erosion control plan required under s. NR 216.46 and the storm water management plan required under s. NR 216.47 shall specify the pollution prevention and treatment systems that will be employed to achieve the TMDL permit requirements.

NR 216.50(1)(1) Landowner initiated. The permittee or landowner required to submit a notice of intent under this subchapter shall amend the erosion control and storm water management plans if either of the following occurs:

NR 216.50(1)(a)(a) There is a change in design, construction, operation or maintenance at the construction site which has the reasonable potential for the discharge of pollutants and which has not otherwise been addressed in the erosion control and storm water management plans. Changes that may trigger an amendment include addition of access points, additional land disturbing construction activity not included in the original plan, a change or elimination of a best management practice, an increase in proposed impervious area, and changes to post-construction site treatment practices. The department may require a permittee to file a new notice of intent if the amended site requires resource screening of additional area or the amended site no longer meets an exemption from post-construction performance standards under ss. NR 151.121 to 151.125.