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HomeMy WebLinkAbout2008-03-04 ENR Packet AGENDA CITY OF MAPLEWOOD ENVIRONMENTAL AND NATURAL RESOURCE COMMISSION Tuesday, March 4, 2008 5:15 to 6:45 p.m. Council Chambers - Maplewood City Hall 1830 County Road BEast 1. Call to Order 2. Roll Call 3. Approval of Agenda 4. Approval of Minutes: a. January 9, 2008 5. Visitor Presentations: 6. Commission Presentations: 7. Staff Presentations: a. Update on Wetland Ordinance (5 minutes) 8. Unfinished Business: 9. New Business: a. Comprehensive Plan - Surface Water Management (45 minutes) b. Maplewood Tree Program (30 minutes) 10. Adjourn Environmental and Natural Resources Commission Minutes Wednesday, January 9,2007 Council Chambers - Maplewood City Hall 1830 County Road BEast Call to Order: Members Present: Ginny Yingling Carol Mason-Sherrill Jim Beardsley Carole Lynne Margaret Behrens Frederica Musgrave Staff Present: Ginny Gaynor Dewey Konewko Approval of Af.!enda: Approved Approval of Minutes: . October 30, 2007 Approved . December 4, 2007 Visitor Presentations: none Commission Presentations: Ginny Yingling - Reported on the progress Force meeting. Margaret Behrens - mentioned several . removal from neighbors regarding: . . cleaned C buckling of 61 and County Rd C Commission vacancies about proj ect at website . City attorney - - Addressed the Commission's role in responding to residents: . ENR if legal action is pending. . It is okay to receipt of email or letter. . Staff agreed to prepare a written document explaining protocol on how to respond to visitor presentations. John Nephew - Introduced himself to the Commission and welcomed them to drop him a line anytime through his email. Administrative Business: . Ginny Yingling was elected as chair with Jim Beardsley as vice chair . Proposal to move meetings to the 1 st Tuesday at 5: 15 p.m. and Jim will try to change his schedule so meetings can be changed to the first Thursday of each month 6:00-8:00. . Staff will provide a 2008 calendar with schedules. This will be done at the February meeting. . Shann Finwall will be a permanent part of the meeting. . The meeting on February 5 has been cancelled due to caucuses so instead the Commission will meet on the third Tuesday, February 19 at 5:15p.m. . There is a need for a separate meeting for visioning in FebruaryoiMarch. Unfinished Business: Wetland Ordinance - Reviewed comments and changes Community Design Review Board that Jim, Ginny . Summarized to staff: two issues that need 1. Ginny Gaynor addressed concerns how many Class A + wetlands there standard to other cities wetland 2. Addressing storm-water in storm-water ordinance. then the ENR will start page 10 we are dropping the discharging of storm-water. ordinance. and . Additional to the 1. In for issues regarding filling in that this should be part ofthe wetland ordinance. that the city is against filling in wetlands. 2. The usage ofthe 3. The minimum to 10%. 4. Clarification review as a commission: It will be only those applicants requesting A change was made on page 11... the ENR will make a recommendation regarding any applicant requesting a variance - this can be found on Page 14 - 8B. 5. Before the City Council acts on a variance the Planning Commission and the ENR shall make a recommendation to City Council. ENR should make their recommendation before the Planning Commission makes their recommendation to Council. 6. Talked about doing an accompanying document so people can see the buffer diagram. 7. Chemical control of noxious weeds within the buffer - are we allowing chemical controlling with an approved plan? 8. Page 9 4E - proposal to add statement that dead trees are good for wildlife habitat so they do not necessarily have be removed as long as they do not pose a safety hazard and are not diseased. and coullt1ilsregarding is that we are setting a the A + classification. we are going to revamp the needs to be completed the ordinance on piece on in a different on page 10. 9. Page 5 under class A+ - proposal to add a statement regarding adding a significant historic value to the city. What type of historic sites or properties would a site need to have to make it qualify to be an A+? Staffwill craft some language. 10. Regarding class B will keep the first sentence and half ofthe second sentence - 'these wetlands are high quality wetlands.' On Class C keep 'these wetlands are moderate wetlands.' 11. On page 4 regarding setback can the word minimal be replaced with the word minimum? 12. Proposal regarding page 3 under clearing - add 'by 13. The commissioners are asked to email any other chemical means.' to staff. Wetland Ordinance - make recommendation . Frederica motioned that the wetland ordinance discussed. New Business: . Staff will be working with the Nature MNC as the clearing house to spearhead . Snowshoe hike at the Priory on . Improvements will be made Center Nature the Uvcominf.! meetinf.!s Tuesday, February 19 5:15 p.m. . Eureka Recycling will present their . Nature center will presentthe tree . Marsh proposal To be discussed at a future meeting . . - discuss vision for City of Maplewood Goal 1: Water uali Goal Statement: Maintain or enhance the water Poli No. Goall: Water Quali - Policies 1 Cooperate and collaborate with the three watershed districts to maintain and im rove water uali 2 Cooperate and collaborate with the watershed districts in their efforts to maintain and/or to improve the water quality of specific water resources in the City, especially those waters listed as impaired. Cooperate with the watershed districts in efforts to complete the required TAifDL studies on impaired waters within Ma lewood. 3 Provide an appropriate level of storm water treatment upstream of lakes and wetlands, depending on the wetland's fllllctions, values and management classification. 4 Use regional storm water treatment structures to enhance water quality by removing sediment and nutrients from nmoff. desi ns will meet the national urban nmoff ro ram URP removal standards. 5 All projects using storm water treatment structures shall include a detailed City- approved maintenance plan that meets City and watershed district standards and criteria. 6 Design storm water facility inlets to prevent debris from entering the conveyance system and impeding the flow path. Encourage using BMPs (raingardens, treatment structures, NURP ponds, etc.) and other detention facilities on all improvement and reconstruction ro.ects, whenever ractical. 7 Design outlet control structures, wherever practical, that restricts both high and low flows, to maximize sedimentation and nutrient removal. 8 Continue implementation of the City's education program that includes items about preserving and improving water quality. Encourage residents and landowners to practice environmentally friendly lawn care and housekeeping practices, and to use native lantin or naturallandsca es rather than tur lawns, where a ro riate. 9 Solve intercommunity water-quality issues through cooperation with the adjoining cities and a ro riate watershed district. 10 Prohibit the discharge offoreign material into the storm water system. Such material should include, but not be limited to, waste, oil, paint, grass clippings, leaves, commercialfertilizers, trash, construction debris, and miscellaneous chemicals. 11 Continue to encourage the use of new and innovative treatment devices on public and rivate develo ment and redevelo ment ro .ects. Normal Text = Current Goals and Policies from the 2002 Comprehensive Plan Italic Text = RecommendedAdditions to Goals and Policies. Goal 2: Runoff Mana ement and Flood Control Goal Statement: Preserve, maintain, utilize and, where practical, enhance the storm water storage and detention systems to control excessive volumes and rates of runoff, control flooding, protect public health and safety and to minimize necessary public capital ex enditures. Poli No. Goal 2: Runoff Mana ernent and Flood Control- Policies 1 The City recognizes that nmoffvolumes typically increase with development; however, builders and developers will be required to reduce peak nmoff rates to the pre-development 2-year, 10-year, and 1 OO-year recurrence event by using regional detention facilities, rain ardens, or other on-site detention facilities. 2 Encourage the use of infiltration to reduce nmoffvolumes where practical. All hydrologic modeling shall be based on ultimate development of the affected and \vhere not detrrrnental to grolll1chvater sn) )lies 3 The City encourages the pretreatment of storm water. In addition, the City encourages the use of treatment ponds and infiltration methods for storing storm water to reduce nmoffrates and volume and to improve the water quality of area lakes and wetlands. 4 Storm water management improvements shall be designed based on the critical storm event for, and the ultimate develo ment of, the draina e area. S Proj ects that affect the storm water system shall have a protected emergency overflow structure (i.e. swale, spillway) into pond outlet structures to safely convey excess flows from storms lar er than the 100- ear (1 ercent) event. 6 Maplewood will require minimum building floor elevations to bejIl accordance with Ci , atershed district. and FEJ'vfA eulations. 7 Maintain existing intercommunity drainage patterns and solve any intercommllllity drainage issues through cooperation and collaboration with the adjoining city and the a ro riate watershed district. Normal Text = Current Goals and Policies from the 2002 Comprehensive Plan Italic Text = RecommendedAdditions to Goals and Policies. { Deleted: above the lOO-yearfloodplain, ] Deleted: and Deleted: standards Deleted: At Goal 3: Wetlands Goal Statement: Achieve no net loss of wetlands, including acreage, functions and values. Where practicable, improve the functions, values, biodiversity and acreage of wetlands and their buffer areas. Policv No. Goal 3: Wetlands- Policies 1 The City discourages wetland alterations. Proof that applicants or designers have given consideration to designs that do not require wetland alteration shall be reviewed before the City will consider any proposal that includes wetland alteration. Wetland alterations must be mitigated by the Wetland Conservation Act (WCA) requirements, as administered by local government units (LG Us) (currently the watershed districts). 2 Cooperate with the watershed districts in their administration of the WCA. 3 Cooperate with RWMWD in the administration of its wetland management plan. 4 Seek to restore previously existing wetlands and enhance existing wetlands. 5 Provide buffer wnes of native vegetations arOlllld ponds and wetlands to provide wildlife habitats, in accordance with the Maplewood Wetland Buffer Ordinance. 6 Where feasible, minimize water level fluctuations (bounce) in wetlands or detention basins to prevent adverse habitat changes. Normal Text = Current Goals and Policies from the 2002 Comprehensive Plan Italic Text = RecommendedAdditions to Goals and Policies. Goal 4: Erosion and Sediment Control Goal Statements: l)Protect capacity of storm water system, prevent flooding and maintain water quality by preventing erosion and sedimentation from occurring, and correct existing erosion and sedimentation problems. 2) In accordance with NPDES Phase II requirements, develop a city-maintenance plan for the inspection of all ponds, outlet structures and inlet facilities and consider initiating a pond delta removal program. Such a program should consider improvements to reduce sediment loads to ponds, wetlands and lakes to help prioritize critical improvement areas. Policy No. Goal 4: Erosion and Sediment Control- Policies 1 Require erosion control plans for all land disturbance activities as defined by city ordinance. The erosion control plans shall be consistent with the standards and criteria of the watershed districts' plans and the general National Pollutant Discharge Elimination System (NPDES) construction storm water permit requirements. 2 Preserve and enhance natural vegetation to the greatest practical extent. 3 Best Management Practices (BAifPs) should be used at all construction sites per the Minnesota Pollution Control Agency's "Minnesota Urban Small Sites BAifP Manual" (2001), the Minnesota Pollution Control Agency's "Protecting Water Quality in Urb an Areas " (2000), and/or the Minnesota Pollution ControlAgency's 2005 Stormwater Manual. 4 Effective energy dissipation devices should be provided at all conveyance system discharge points to prevent bank, channel, or shoreline erosion. Design of stream bank stabilization and streambed control measures should consider unique or special site conditions, energy dissipation potential, adverse effects, preservation of natural processes and aesthetics, in addition to standard engineering and economic criteria. 5 The City will continue to work with watershed districts to inspect construction sites for erosion and sediment control issues. Normal Text = Current Goals and Policies from the 2002 Comprehensive Plan Italic Text = RecommendedAdditions to Goals and Policies. Goal 5: Groundwater Goal Statements: 1) Protect the quality and quantity of groundwater resources. 2) Develop a cooperative program with the watershed district to identify infiltration-sensitive areas and develo a monitorin and testin ro ram to monitor the im act of im rovements. Poli No. GoalS: Groundwater - Policies 1 Provide increased green space, native vegetation and pond "dead" storage wherever possible and appropriate to allow for the infiltration of storm water nmoff and to rornate fOlllldwater rechar in 2 Encourage use of grassed waterways to maximize infiltration where not detrimental to fOlllldwater su lies. 3 Promote awareness of groundwater resource issues through public education and information programs. Educate the general public concerning the use aiBest Management Practices to prevent contamination of groundwater supplies and the im ortance 0 these measures in rotectin roundwater su lies. Normal Text = Current Goals and Policies from the 2002 Comprehensive Plan Italic Text = RecommendedAdditions to Goals and Policies. Goal 6: Individual Sewa e Treatment S stems ST S Goal Statements: 1) Protect the public health, safety and welfare through a comprehensive ISTS ordinance. 2) Protect the quality and quantity of Maplewood's surface and roundwater resources throu h the use of ro erl desi oed and maintained ISTS. Poli No. Goal 6: Individual Sewa e Treatment S stems STS - Policies 1 Maintain an updated record of alllmo\VIl on-site septic systems, and continue to prohibit the installation of new individual sewer systems or the alteration, repair or extension of existing systems when the builder or O\VIler can make a connection to the Cit 's sanit sewer. 2 Enforce individual water and septic system ordinances that are in conformance with MPCA Rules 7080 and Metropolitan Conneil requirements. Maplewood will establish a management program that includes maintenance, tracking and enforcement programs to insure that residents properly maintain their individual sew e treatment s stems (ISTS). 3 Maplewood will require property O\VIlers to meet and encourage them to exceed state rules and local ordinance for the design, installation, maintenance, expansion and repair of private on-site sewage treatment systems. Specifically, the City has ado ted an ISTS ordinance for a basis for the use of these s stems. Normal Text = Current Goals and Policies from the 2002 Comprehensive Plan Italic Text = RecommendedAdditions to Goals and Policies. Goal 7: Education and Public Involvement Goal Statement: Increase public awareness, understanding and involvement in water and natural resource mana!!ement issues. Policv No. Goal?: Education and Public Involvement - Policies 1 Continue to develop and distribute education materials to the public and targeted groups about the City's ordinances, policies and programs about water resources, grOlllldwater, ISTS, wetlands, native vegetation, alternative landscaping methods, litter control, pet wastes, recycling, trash disposal, leaf collection, public area maintenance, grass clippings, la\VIl chemicals and hazardous materials. Information will be distributed via the City's monthly newsletter, local newspapers, cable television and any other appropriate media. 2 The City will communicate with lake associations and other appropriate civic and citizen Q"rOUDS. 3 Continue to remain in compliance with the NPDES Phase II MS4 permit with respect to education and involvement. Normal Text = Current Goals and Policies from the 2002 Comprehensive Plan Italic Text = RecommendedAdditions to Goals and Policies. Goal 8: Financin Goal Statement: Establish and maintain funding sources to finance surface water mana ementadctivities. Poll No. Goal 8: Financin - Policies 1 Maintain afinancing strategy for surface water improvements utilizing a combination of environmental utility fees, special assessments, surface water mana ement Ian connection char es, and storm water ro ram rant nds. Normal Text = Current Goals and Policies from the 2002 Comprehensive Plan Italic Text = RecommendedAdditions to Goals andPo/icies. Goal 9: Maintenance and Ins ection Goal Statement: Preserve fundion and performance of public infrastrudure through continued i lementation 0 a maintenance and ins ection ro ram Poli No. Goal 9: Maintenance and Ins edion - Policies 1 The City will continue to implement a maintenance and inspection program for water resource facilities (e.g., ponds, storm sewer systems, outfalls to waters, etc.). The City's maintenance and inspection program shall meet the re uirements 0 the NPDES Phase 11 MS4 Storm Water Pro ram The City will require maintenance of privately constructed water quality treatment onds throu h ormal develo ment or maintenance a reements. The City shall require adequate maintenance-related access for public and private water resource mana ement acilities. 2 3 Pond and detention facility clean out activities will comply with the requirements of the Minnesota Wetland Conservation Act, the Minnesota Department of the Natural Resources, the Minnesota Pollution ControlA enc and the standards 0 this Ian. The City will continue its operation and maintenance activities that preserve water quality, including street sweeping, pond and grit chamber maintenance and appropriate application of salt/sand that balances public safety and environmental rotection. Normal Text = Current Goals and Policies from the 2002 Comprehensive Plan Italic Text = RecommendedAdditions to Goals and Policies. 4 5 Goal] 0: Re ulator Res onsibili Goal Statement: Maintain primary responsibility for managing water resources at the local level but continue coordination and coo eration with other a encies and or anizations. Poll No. Goal 1 0: Re ulator Res onsibili - Policies 1 This plan and all subsequent amendments shall be consistent with all other re ulator a encies. 2 The programs and standards afthis plan shall be implemented as required by regulatory responsibilities and, as needed, at the direction afthe City Council. 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