![Page 1: Storm Water Practice Maintenance - Waukesha County...Post-Construction Storm Water Ordinance MS4 Permits • Applies to municipal & private practices used in modeling (NR151 and/or](https://reader034.vdocuments.us/reader034/viewer/2022051804/5fec8dda84ebc52abe64425d/html5/thumbnails/1.jpg)
Storm Water Practice Maintenance
Pete WoodPhone: 262-822-8227
![Page 2: Storm Water Practice Maintenance - Waukesha County...Post-Construction Storm Water Ordinance MS4 Permits • Applies to municipal & private practices used in modeling (NR151 and/or](https://reader034.vdocuments.us/reader034/viewer/2022051804/5fec8dda84ebc52abe64425d/html5/thumbnails/2.jpg)
DNR Regulations
Research
Troubleshooting
![Page 3: Storm Water Practice Maintenance - Waukesha County...Post-Construction Storm Water Ordinance MS4 Permits • Applies to municipal & private practices used in modeling (NR151 and/or](https://reader034.vdocuments.us/reader034/viewer/2022051804/5fec8dda84ebc52abe64425d/html5/thumbnails/3.jpg)
Construction Site Storm Water Permits
• New Development• Re-development
Municipal Storm Water (MS4) Permits
• Storm Water Ordinance• Pollution Prevention Program
Post-Construction Storm Water Technical Standards
![Page 4: Storm Water Practice Maintenance - Waukesha County...Post-Construction Storm Water Ordinance MS4 Permits • Applies to municipal & private practices used in modeling (NR151 and/or](https://reader034.vdocuments.us/reader034/viewer/2022051804/5fec8dda84ebc52abe64425d/html5/thumbnails/4.jpg)
Construction Site Storm Water Permits
• New development and re-development with post-construction storm water treatment practices
• Develop inspection and maintenance plan (per DNR technical standards)
• Establish maintenance agreement with the municipality
• Submit plan and agreement with permit application
Long-Term Maintenance
![Page 5: Storm Water Practice Maintenance - Waukesha County...Post-Construction Storm Water Ordinance MS4 Permits • Applies to municipal & private practices used in modeling (NR151 and/or](https://reader034.vdocuments.us/reader034/viewer/2022051804/5fec8dda84ebc52abe64425d/html5/thumbnails/5.jpg)
MS4 Permits
• Adopt ordinance with long-term maintenance provisions
• Enforce long-term maintenance provisions
• Applicable to new development and re-development permitted after storm water ordinance was adopted
Post-Construction Storm Water Ordinance
![Page 6: Storm Water Practice Maintenance - Waukesha County...Post-Construction Storm Water Ordinance MS4 Permits • Applies to municipal & private practices used in modeling (NR151 and/or](https://reader034.vdocuments.us/reader034/viewer/2022051804/5fec8dda84ebc52abe64425d/html5/thumbnails/6.jpg)
MS4 Permits
• Applies to municipal & private practices used in modeling (NR151 and/or TMDL)
• Inventory/mapping• Inspect practices once per
permit term (5 years)• Maintain practices and enforce
agreements• Keep records
Pollution Prevention Program
![Page 7: Storm Water Practice Maintenance - Waukesha County...Post-Construction Storm Water Ordinance MS4 Permits • Applies to municipal & private practices used in modeling (NR151 and/or](https://reader034.vdocuments.us/reader034/viewer/2022051804/5fec8dda84ebc52abe64425d/html5/thumbnails/7.jpg)
MS4 Options for Private Practices
• Let them do it
• Do it yourself
• Third party?
![Page 8: Storm Water Practice Maintenance - Waukesha County...Post-Construction Storm Water Ordinance MS4 Permits • Applies to municipal & private practices used in modeling (NR151 and/or](https://reader034.vdocuments.us/reader034/viewer/2022051804/5fec8dda84ebc52abe64425d/html5/thumbnails/8.jpg)
Problems
• Responsibility
• Funding
• Inspection & Maintenance Contractors
• Record keeping
![Page 9: Storm Water Practice Maintenance - Waukesha County...Post-Construction Storm Water Ordinance MS4 Permits • Applies to municipal & private practices used in modeling (NR151 and/or](https://reader034.vdocuments.us/reader034/viewer/2022051804/5fec8dda84ebc52abe64425d/html5/thumbnails/9.jpg)
Solutions
• Educate practice owners
• Identify co-benefits
• Share equipment
• Plan for funding
• Maintenance friendly design
![Page 10: Storm Water Practice Maintenance - Waukesha County...Post-Construction Storm Water Ordinance MS4 Permits • Applies to municipal & private practices used in modeling (NR151 and/or](https://reader034.vdocuments.us/reader034/viewer/2022051804/5fec8dda84ebc52abe64425d/html5/thumbnails/10.jpg)
Research
![Page 11: Storm Water Practice Maintenance - Waukesha County...Post-Construction Storm Water Ordinance MS4 Permits • Applies to municipal & private practices used in modeling (NR151 and/or](https://reader034.vdocuments.us/reader034/viewer/2022051804/5fec8dda84ebc52abe64425d/html5/thumbnails/11.jpg)
![Page 12: Storm Water Practice Maintenance - Waukesha County...Post-Construction Storm Water Ordinance MS4 Permits • Applies to municipal & private practices used in modeling (NR151 and/or](https://reader034.vdocuments.us/reader034/viewer/2022051804/5fec8dda84ebc52abe64425d/html5/thumbnails/12.jpg)
![Page 13: Storm Water Practice Maintenance - Waukesha County...Post-Construction Storm Water Ordinance MS4 Permits • Applies to municipal & private practices used in modeling (NR151 and/or](https://reader034.vdocuments.us/reader034/viewer/2022051804/5fec8dda84ebc52abe64425d/html5/thumbnails/13.jpg)
Troubleshooting
![Page 14: Storm Water Practice Maintenance - Waukesha County...Post-Construction Storm Water Ordinance MS4 Permits • Applies to municipal & private practices used in modeling (NR151 and/or](https://reader034.vdocuments.us/reader034/viewer/2022051804/5fec8dda84ebc52abe64425d/html5/thumbnails/14.jpg)
![Page 15: Storm Water Practice Maintenance - Waukesha County...Post-Construction Storm Water Ordinance MS4 Permits • Applies to municipal & private practices used in modeling (NR151 and/or](https://reader034.vdocuments.us/reader034/viewer/2022051804/5fec8dda84ebc52abe64425d/html5/thumbnails/15.jpg)
![Page 16: Storm Water Practice Maintenance - Waukesha County...Post-Construction Storm Water Ordinance MS4 Permits • Applies to municipal & private practices used in modeling (NR151 and/or](https://reader034.vdocuments.us/reader034/viewer/2022051804/5fec8dda84ebc52abe64425d/html5/thumbnails/16.jpg)
![Page 17: Storm Water Practice Maintenance - Waukesha County...Post-Construction Storm Water Ordinance MS4 Permits • Applies to municipal & private practices used in modeling (NR151 and/or](https://reader034.vdocuments.us/reader034/viewer/2022051804/5fec8dda84ebc52abe64425d/html5/thumbnails/17.jpg)
![Page 18: Storm Water Practice Maintenance - Waukesha County...Post-Construction Storm Water Ordinance MS4 Permits • Applies to municipal & private practices used in modeling (NR151 and/or](https://reader034.vdocuments.us/reader034/viewer/2022051804/5fec8dda84ebc52abe64425d/html5/thumbnails/18.jpg)
![Page 19: Storm Water Practice Maintenance - Waukesha County...Post-Construction Storm Water Ordinance MS4 Permits • Applies to municipal & private practices used in modeling (NR151 and/or](https://reader034.vdocuments.us/reader034/viewer/2022051804/5fec8dda84ebc52abe64425d/html5/thumbnails/19.jpg)
![Page 20: Storm Water Practice Maintenance - Waukesha County...Post-Construction Storm Water Ordinance MS4 Permits • Applies to municipal & private practices used in modeling (NR151 and/or](https://reader034.vdocuments.us/reader034/viewer/2022051804/5fec8dda84ebc52abe64425d/html5/thumbnails/20.jpg)
![Page 21: Storm Water Practice Maintenance - Waukesha County...Post-Construction Storm Water Ordinance MS4 Permits • Applies to municipal & private practices used in modeling (NR151 and/or](https://reader034.vdocuments.us/reader034/viewer/2022051804/5fec8dda84ebc52abe64425d/html5/thumbnails/21.jpg)
Questions
![Page 22: Storm Water Practice Maintenance - Waukesha County...Post-Construction Storm Water Ordinance MS4 Permits • Applies to municipal & private practices used in modeling (NR151 and/or](https://reader034.vdocuments.us/reader034/viewer/2022051804/5fec8dda84ebc52abe64425d/html5/thumbnails/22.jpg)
Dewatering Technical Standard 1061
![Page 23: Storm Water Practice Maintenance - Waukesha County...Post-Construction Storm Water Ordinance MS4 Permits • Applies to municipal & private practices used in modeling (NR151 and/or](https://reader034.vdocuments.us/reader034/viewer/2022051804/5fec8dda84ebc52abe64425d/html5/thumbnails/23.jpg)
Summary of Changes• Consolidate discharge location criteria
• Add internally drained area criteria
• Modify geotextile filter criteria
• Add groundwater dewatering well criteria
• Promote combinations of practices
• Expand O&M section
• Add evaluation criteria
• Add figures
![Page 24: Storm Water Practice Maintenance - Waukesha County...Post-Construction Storm Water Ordinance MS4 Permits • Applies to municipal & private practices used in modeling (NR151 and/or](https://reader034.vdocuments.us/reader034/viewer/2022051804/5fec8dda84ebc52abe64425d/html5/thumbnails/24.jpg)
![Page 25: Storm Water Practice Maintenance - Waukesha County...Post-Construction Storm Water Ordinance MS4 Permits • Applies to municipal & private practices used in modeling (NR151 and/or](https://reader034.vdocuments.us/reader034/viewer/2022051804/5fec8dda84ebc52abe64425d/html5/thumbnails/25.jpg)
![Page 26: Storm Water Practice Maintenance - Waukesha County...Post-Construction Storm Water Ordinance MS4 Permits • Applies to municipal & private practices used in modeling (NR151 and/or](https://reader034.vdocuments.us/reader034/viewer/2022051804/5fec8dda84ebc52abe64425d/html5/thumbnails/26.jpg)
![Page 27: Storm Water Practice Maintenance - Waukesha County...Post-Construction Storm Water Ordinance MS4 Permits • Applies to municipal & private practices used in modeling (NR151 and/or](https://reader034.vdocuments.us/reader034/viewer/2022051804/5fec8dda84ebc52abe64425d/html5/thumbnails/27.jpg)
![Page 28: Storm Water Practice Maintenance - Waukesha County...Post-Construction Storm Water Ordinance MS4 Permits • Applies to municipal & private practices used in modeling (NR151 and/or](https://reader034.vdocuments.us/reader034/viewer/2022051804/5fec8dda84ebc52abe64425d/html5/thumbnails/28.jpg)
![Page 29: Storm Water Practice Maintenance - Waukesha County...Post-Construction Storm Water Ordinance MS4 Permits • Applies to municipal & private practices used in modeling (NR151 and/or](https://reader034.vdocuments.us/reader034/viewer/2022051804/5fec8dda84ebc52abe64425d/html5/thumbnails/29.jpg)
Questions