[Read a summary of the overall Minnesota permit, stormwater monitoring, and sector requirements]
All manufacturing, industrial and “industrial-like” sites that require a permit to discharge stormwater will be required to come into compliance with the revised permit, and to submit an application for permit coverage by either June 1, August 1 or October 1, depending on their industrial sector.
Click here to review a list affected industrial sectors and application deadlines for each sector
The revised permit details requirements for 29 different industrial sectors. The requirements described below are proposed for the Paper and Allied Products Manufacturing Sector (Sector B). Sector B covers a fairly broad range of facility types, including paperboard mills, pulp mills, paper mills, paperboard containers and boxes, converted paper and paperboard products. These requirements are in addition to permit requirements that apply to all sectors.
Review requirements that apply to all sectors
Stormwater Monitoring Benchmarks:
All facilities are required to conduct visual and chemical (benchmark) monitoring. For benchmark monitoring, the benchmark concentrations or values apply to all facility types:
TSS 100 mg/L
COD 120 mg/L
[Read more about how benchmarks are used under the proposed MPCA industrial permit]
[Read more about what a 100 mg/L benchmark for TSS relates to]
Looking for other sector information?
Click here for a link to all sector requirements
Caltha LLP provides expert consulting services to public and private sector clients in Minnesota to address Stormwater Permitting & Regulatory Support, Stormwater Pollution Prevention Plans (SWPPP), Stormwater Monitoring and Stormwater Training.
For further information contact Caltha LLP at
info@calthacompany.com
or
Caltha LLP Website
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