Difference between revisions of "Total Maximum Daily Loads (TMDLs)"
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| + | Total Maximum Daily Loads (TMDLs) are EPA approved amounts of pollutant loading that can occur and have a water body meet water quality standards. This page is collection of links and resources to better understand, and meet, TMDL requirements. | ||
| + | |||
| + | [[file:Riverconfluence.jpg|300 px|thumb|alt=image of Miss and St Croix rivers confluence|<font size=3>Confluence of the St. Croix and Mississippi rivers. Note the St. Croix River is not impaired for sediment, while the Mississippi River is impaired.]]</font size> | ||
| + | |||
| + | ==TMDL MS4 permit guidance== | ||
| + | *[https://stormwater.pca.state.mn.us/index.php?title=Additional_resources_for_completing_the_TMDL_form#Link_to_TMDL_GIS_Shapefiles NEW! Updated TMDL GIS shapefiles!] | ||
| + | *[[Guidance for completing the TMDL reporting form]] | ||
| + | *[[Phase I MS4 Guidance for completing the TMDL Annual report form]] | ||
| + | *[[Forms, guidance, and resources for completing the TMDL annual report form]] | ||
| + | *[[Summary of TMDL requirements in stormwater permits]] | ||
| + | *[[Guidance for meeting chloride TMDL MS4 permit requirements]] | ||
| + | *[[Guidance for meeting bacteria TMDL MS4 permit requirements]] | ||
| + | *[[Guidance for meeting dissolved oxygen or oxygen demand TMDL MS4 permit requirements]] | ||
| + | *[[Guidance for meeting temperature TMDL MS4 permit requirements]] | ||
| + | *[[Guidance for categorical TMDLs]] | ||
| + | *[[List of Approved TMDLs with MS4 WLAs]] | ||
| + | *[[Guidance for completing the MS4 Permit TMDL Application Form]] | ||
| + | *[[MS4 webinars and videos]] | ||
| + | *[[Baseline year]] | ||
| + | *[[Interpreting wasteload allocations based on flow/load duration curves]] | ||
| + | *[[Information about the 2019 Legislation and affected MS4s]] | ||
| + | |||
| + | ==TMDL toolkit for MS4 permit compliance== | ||
| + | [[File:Quick guide.png|200px|thumb|alt=image|<font size=3>[https://stormwater.pca.state.mn.us/index.php?title=Quick_guides_for_using_models_to_meet_MS4_TMDL_permit_requirements Access a quick guide] for using models to meet MS4 TMDL requirements</font size>]] | ||
| + | |||
| + | *[[Overview of models used to meet MS4 TMDL permit requirements]] | ||
| + | *'''P8''' | ||
| + | **[[Recommendations and guidance for utilizing P8 to meet TMDL permit requirements]] | ||
| + | **[[Case study for using P8 to meet TMDL permit requirements]] | ||
| + | **U of MN P8 training on the use of the P8 software. P8 is a free software package for modeling stormwater pollutant management in urban watersheds. For more information on training, [https://erosion.umn.edu/courses-registration/ed8001-using-p8-software-model go to this link]. | ||
| + | *'''WINSLAMM''' | ||
| + | **[[Recommendations and guidance for utilizing WINSLAMM to meet TMDL permit requirements]] | ||
| + | **[[Case study for using WINSLAMM to meet TMDL permit requirements]] | ||
| + | *'''MIDS (Minimal Impact Design Standards calculator)''' | ||
| + | **[[Recommendations and guidance for utilizing the MIDS calculator to meet TMDL permit requirements]] | ||
| + | **[[MIDS calculator]] | ||
| + | **[[Case study for using the MIDS calculator to meet TMDL permit requirements]] | ||
| + | *'''MPCA Simple Estimator''' | ||
| + | **[[Recommendations and guidance for utilizing the MPCA Simple Estimator to meet TMDL permit requirements]] | ||
| + | **[[Guidance and examples for using the MPCA Estimator]] | ||
| + | **[[Case study for using the MPCA Simple Estimator to meet TMDL permit requirements]] | ||
| + | **[[MPCA review of submittals using the MPCA Simple Estimator]] | ||
| + | **[[Default TSS and TP loads for different land use scenarios using the MPCA Simple Estimator]] | ||
| + | *'''Monitoring''' | ||
| + | **[[Recommendations and guidance for utilizing monitoring to meet TMDL permit requirements]] | ||
| + | **[[Recommendations and guidance for utilizing lake monitoring to meet TMDL permit requirements]] | ||
| + | **[[Recommendations and guidance for utilizing stream monitoring to meet TMDL permit requirements]] | ||
| + | **[[Recommendations and guidance for utilizing major stormwater outfall monitoring to meet TMDL permit requirements]] | ||
| + | **[[Recommendations and guidance for utilizing stormwater best management practice monitoring to meet TMDL permit requirements]] | ||
| + | *[[Quick guides for using models to meet MS4 TMDL permit requirements]] | ||
| + | *[[Case studies for monitoring to meet TMDL permit requirements]] | ||
| + | |||
| + | ==TMDL guidance and general information== | ||
*[[Overview of TMDLs]] | *[[Overview of TMDLs]] | ||
| − | *[[ | + | <!-- |
| − | *[[ | + | *[[http://www.pca.state.mn.us/index.php/view-document.html?gid=19465 Addressing TMDL Requirements in MS4 General Permit Applications and Stormwater Pollution Prevention Program Documents]] |
| + | --> | ||
| + | <!-- | ||
| + | *[[http://www.pca.state.mn.us/index.php/view-document.html?gid=19456 List of approved TMDLs with MS4 Wasteload Allocations]] | ||
| + | --> | ||
| + | *[[Technical guidance used by MPCA to develop guidelines for setting TMDL WLAs for regulated stormwater]] | ||
| + | *[[Guidance on what discharges should be included in the TMDL wasteload allocation for MS4 stormwater]] | ||
| + | *[[Construction activity by county]] | ||
| + | *Training modules | ||
| + | **Overview of Stormwater Effects on Water Quality - [[File:Wq-strm7-81.pdf]] | ||
| + | **Construction, Industrial & Municipal Stormwater Permits & SWPPPs - [[File:Wq-strm7-82.pdf]] | ||
| + | **The TMDL Process as it Relates to Stormwater - [[File:Wq-strm7-83a.pdf]] | ||
| + | **TMDL Stormwater Language - [[File:Wq-strm7-84a.pdf]] | ||
| + | **Setting Wasteload Allocations in a TMDL - [[File:Wq-strm7-84b.pdf]] | ||
| + | **Meeting Requirements of a TMDL - [[File:Wq-strm7-85a.pdf]] | ||
| + | |||
| + | ==Information received from MS4 permittees== | ||
*[[Summary of data received from permittees on MS4 TMDL permit reporting forms]] | *[[Summary of data received from permittees on MS4 TMDL permit reporting forms]] | ||
| − | *[[Links for TMDLs]] | + | |
| + | ==Links and other resources== | ||
| + | <!-- | ||
| + | *[[Links for TMDLs]] | ||
| + | --> | ||
*Visit the [https://www.pca.state.mn.us/water/total-maximum-daily-load-tmdl-projects#draft-pending-projects-990aee4d MPCA TMDL Project page] for information on specific projects across the state | *Visit the [https://www.pca.state.mn.us/water/total-maximum-daily-load-tmdl-projects#draft-pending-projects-990aee4d MPCA TMDL Project page] for information on specific projects across the state | ||
| + | *[[Total Suspended Solids (TSS) in stormwater|Total Suspended Solids (TSS)]] | ||
| + | *[[Phosphorus]] | ||
| + | *[[Bacteria in stormwater]] | ||
| + | <!-- | ||
| + | *[[Chloride in stormwater]] | ||
| + | --> | ||
| + | *[https://stormwater.pca.state.mn.us/index.php?title=Protection_and_restoration_of_receiving_waters Protection and restoration of receiving waters] | ||
| + | |||
| + | [[Category:Level 3 - Regulatory/Municipal (MS4)/TMDLs]] | ||
Latest revision as of 19:49, 8 November 2024
Total Maximum Daily Loads (TMDLs) are EPA approved amounts of pollutant loading that can occur and have a water body meet water quality standards. This page is collection of links and resources to better understand, and meet, TMDL requirements.
Contents
TMDL MS4 permit guidance
- NEW! Updated TMDL GIS shapefiles!
- Guidance for completing the TMDL reporting form
- Phase I MS4 Guidance for completing the TMDL Annual report form
- Forms, guidance, and resources for completing the TMDL annual report form
- Summary of TMDL requirements in stormwater permits
- Guidance for meeting chloride TMDL MS4 permit requirements
- Guidance for meeting bacteria TMDL MS4 permit requirements
- Guidance for meeting dissolved oxygen or oxygen demand TMDL MS4 permit requirements
- Guidance for meeting temperature TMDL MS4 permit requirements
- Guidance for categorical TMDLs
- List of Approved TMDLs with MS4 WLAs
- Guidance for completing the MS4 Permit TMDL Application Form
- MS4 webinars and videos
- Baseline year
- Interpreting wasteload allocations based on flow/load duration curves
- Information about the 2019 Legislation and affected MS4s
TMDL toolkit for MS4 permit compliance
Access a quick guide for using models to meet MS4 TMDL requirements
- Overview of models used to meet MS4 TMDL permit requirements
- P8
- Recommendations and guidance for utilizing P8 to meet TMDL permit requirements
- Case study for using P8 to meet TMDL permit requirements
- U of MN P8 training on the use of the P8 software. P8 is a free software package for modeling stormwater pollutant management in urban watersheds. For more information on training, go to this link.
- WINSLAMM
- MIDS (Minimal Impact Design Standards calculator)
- MPCA Simple Estimator
- Recommendations and guidance for utilizing the MPCA Simple Estimator to meet TMDL permit requirements
- Guidance and examples for using the MPCA Estimator
- Case study for using the MPCA Simple Estimator to meet TMDL permit requirements
- MPCA review of submittals using the MPCA Simple Estimator
- Default TSS and TP loads for different land use scenarios using the MPCA Simple Estimator
- Monitoring
- Recommendations and guidance for utilizing monitoring to meet TMDL permit requirements
- Recommendations and guidance for utilizing lake monitoring to meet TMDL permit requirements
- Recommendations and guidance for utilizing stream monitoring to meet TMDL permit requirements
- Recommendations and guidance for utilizing major stormwater outfall monitoring to meet TMDL permit requirements
- Recommendations and guidance for utilizing stormwater best management practice monitoring to meet TMDL permit requirements
- Quick guides for using models to meet MS4 TMDL permit requirements
- Case studies for monitoring to meet TMDL permit requirements
TMDL guidance and general information
- Overview of TMDLs
- Technical guidance used by MPCA to develop guidelines for setting TMDL WLAs for regulated stormwater
- Guidance on what discharges should be included in the TMDL wasteload allocation for MS4 stormwater
- Construction activity by county
- Training modules
- Overview of Stormwater Effects on Water Quality - File:Wq-strm7-81.pdf
- Construction, Industrial & Municipal Stormwater Permits & SWPPPs - File:Wq-strm7-82.pdf
- The TMDL Process as it Relates to Stormwater - File:Wq-strm7-83a.pdf
- TMDL Stormwater Language - File:Wq-strm7-84a.pdf
- Setting Wasteload Allocations in a TMDL - File:Wq-strm7-84b.pdf
- Meeting Requirements of a TMDL - File:Wq-strm7-85a.pdf
Information received from MS4 permittees
Links and other resources
- Visit the MPCA TMDL Project page for information on specific projects across the state
- Total Suspended Solids (TSS)
- Phosphorus
- Bacteria in stormwater
- Protection and restoration of receiving waters
This page was last edited on 8 November 2024, at 19:49.