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22-2039FAX: (651) 361-8701PHONE: (651) 361-8210LINO LAKES, MN 550146776 LAKE DRIVESUITE 110SITE PLANNING& ENGINEERINGPLOWEENGINEERING, INC.I HEREBY CERTIFY THAT THIS PLAN WAS PREPARED BY
<br />ME OR UNDER MY DIRECT SUPERVISION AND THAT I AM
<br />A DULY LICENSED PROFESSIONAL ENGINEER UNDER
<br />THE LAWS OF THE STATE OF MINNESOTA.
<br />Date: License No. 43963
<br />ADAM GINKEL
<br />01.02.2023PREPARED FOR: CARA BUILDERSC4.2SHEETVILLAS OF GERVAIS LAKE
<br />SWPPP
<br />CITY OF LITTLE CANADA, MN
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<br />CWPAGCHECK BY:DRAWN BY:22-2039DATE:JOB NO:07/25/22DESCRIPTIONDATENO.S:\PLOWE\CAD\22PROJ\2039 LITTLE CANADA\2039 CAD\2039 BASE 9.DWGWednesday, December 21, 2022 10:11:16 AMPRELIMINARY
<br />RESUBMIT8-5-22MAP OF SURFACE WATERS1 MILESEE "STORMWATER DRAINAGE REPORT" FOR INFORMATION AND NARRATIVE OFPERMANENT STORMWATER MANAGEMENT SYSTEMS.** NO ASSIGNED ADDRESS **IMMEDIATELY NORTH OF 2655 EDGERTON STLITTLE CANADA, MN 55117RAMSEY COUNTYSITE IMPERVIOUS AREASPROJECT NAMEPROJECT LOCATIONNARRATIVE - PERMANENT STORMWATER TREATMENT SYSTEMSRECEIVING WATERS WITHIN ONE MILEWATERWATERNAME OF WATER BODYSPECIALIMPAIREDTYPE OFWATER BODY3.06 ACRESTOTAL ESTIMATED PERVIOUS0.07 ACRESTOTAL ESTIMATED IMPERVIOUS3.13 ACRESTOTAL SITE AREAAFTERBEFORECONSTRUCTIONDEVELOPER0.93 ACRESTOTAL DISTURBED AREA~2.9 ACRESADAM GINKELPLOWE ENGINEERING, INC.6776 LAKE DRIVELINO LAKES MN 55014(651) 361-8234adam@plowe.com1.A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN AND SWPPPMUST BE AVAILABLE ON THE PROJECT SITE AT ALL TIMES.2.CONTRACTOR SHALL INSTALL SILT FENCE AS SHOWN ON PLAN.2.1.ADDITIONAL SILT FENCE MAY BE NECESSARY IF LOCAL CONDITIONS REQUIRE.2.2.THE CONTRACTOR SHALL MAINTAIN SILT FENCE, INCLUDING THE REMOVAL OFACCUMULATED SEDIMENT, THROUGH COMPLETION OF BUILDING CONSTRUCTION.2.3.SILT FENCE SHALL REMAIN IN-PLACE UNTIL SITE HAS BEEN STABILIZED.3.CONTRACTOR SHALL INSTALL A ROCK CONSTRUCTION ENTRANCE AT ALL LOCATIONSWHERE CONSTRUCTION TRAFFIC WILL ENTER/EXIT SITE.4.CONTRACTOR TO INSTALL TREE PROTECTION FENCING (IF APPLICABLE).5.CONTRACTOR SHALL PERFORM SITE GRADING ON AN AREA-BY-AREA BASIS TOMINIMIZE UNSTABILIZED AREAS.5.1.STRIP AND STOCKPILE TOPSOIL NECESSARY FOR USE IN RESTORATIONS. ALLSTOCKPILES MUST BE STABILIZED IMMEDIATELY WITH TEMPORARY SEEDING ANDMULCHING IF NOT ACTIVELY WORKING WITH THE MATERIAL.5.2.CONTRACTOR MUST IMMEDIATELY INITIATE STABILIZATION OF EXPOSED SOILAREAS, AS DESCRIBED IN ITEM 8.4 OF THE PERMIT, AND COMPLETE THESTABILIZATION WITHIN SEVEN (7) CALENDAR DAYS AFTER THE CONSTRUCTIONACTIVITY IN THAT PORTION OF THE SITE TEMPORARILY OR PERMANENTLYCEASES.5.3.CONTRACTOR TO PROVIDE TEMPORARY SEDIMENTATION BASINS AS REQUIRED INSECTION 14.1 THROUGH 14.10.6.CONTRACTOR TO SHALL PAY SPECIAL ATTENTION TO ADJACENT PROPERTY LINES TOENSURE THE EROSION CONTROL PRACTICES INPLACE IN THOSE AREAS PREVENTMIGRATION OF SEDIMENT ONTO ADJACENT PROPERTIES.7.ALL EROSION AND SEDIMENT CONTROL MEASURES SHOWN ON THE PLANS ORIMPLEMENTED IN THE FIELD SHALL BE IN ACCORDANCE WITH THE CITY AND NPDESPHASE II PERMIT REQUIREMENTS.8.CONTRACTOR TO PROVIDE ADDITIONAL SILT FENCE, BIOROLLS, EROSION CONTROLBLANKET, OR OTHER APPROVED EQUAL FOR ANY SLOPES THAT APPEAR TO BEFAILING9.CONTRACTOR TO STABILIZE SOIL STOCKPILES; STABILIZATION SHALL BE INITIATEDIMMEDIATELY10.CONTRACTOR SHALL FINAL GRADE SWALE AREAS UPON STABILIZATION OF UPSTREAMAREAS.CONSTRUCTIONSILT FENCELINEAR FEETCL 3 RIP-RAP W. GEO-FABRICCUBIC YARDSCATCH BASIN INLET PROTECTIONEACHRIP-RAP OVERFLOWEACHTYPEUNITQTY2.20 ACRESBIOROLLSNARRATIVE - TIMING FOR INSTALLATION OF EROSION AND SEDIMENT CONTROL MEASURESQUANTITIES - ESTIMATED QUANTITIES FOR EROSION AND SEDIMENT CONTROL MEASURESSITE MAP W/ EXISTING AND FINAL GRADES AND DESIGN CALCULATIONSSEE "STORMWATER DRAINAGE REPORT" FOR EXISTING AND PROPOSED AREA MAPS,DENOTING DRAINAGE AREA BOUNDARIES, DIRECTIONS OF FLOW, AND DISCHARGE POINTSWHERE STORMWATER LEAVES THE SITE.BUFFER TO SURFACE WATERIF THE SITE DRAINS TO A SURFACE WATER, IS A 50-FT NATURAL BUFFER ADJACENT TOTHE SURFACE WATER PRESERVED?NOTE: NATURAL BUFFERS ARE NOT REQUIRED ADJACENT TO ROAD DITCHES,JUDICIAL DITCHES, COUNTY DITCHES, STORMWATER CONVEYANCE CHANNELS,STORM DRAIN INLETS, AND SEDIMENT BASINS.YESNOTEMPORARY SEDIMENTATION BASINSIF TEN (10) OR MORE ACRES OF DISTURBED SOIL DRAIN TO A COMMONLOCATION, IS A TEMPORARY SEDIMENT BASIN PROVIDED FOR TREATMENT OFTHE RUNOFF BEFORE IT LEAVES THE CONSTRUCTION SITE OR ENTERSSURFACE WATERS?INFILTRATION FEASIBILITYARE THERE ANY INFILTRATION RESTRICTIONS FOR THE SITE (SEE 16.14THROUGH 16.21?ADDITIONAL STORMWATER MITIGATION MEASURESARE THERE ANY STORMWATER MITIGATION MEASURES PER:·ENVIRONMENTAL REVIEW DOCUMENT?·ENDANGERED SPECIES REVIEW?·ARCHAEOLOGICAL REVIEW?·OTHER LOCAL, STATE OR FEDERAL REVIEW?IF YES TO ANY OF THE ABOVE, DESCRIBE THE MITIGATION MEASURES. FORPURPOSES OF THIS PERMIT, MITIGATION MEASURES MEANS ACTIONSNECESSARY TO AVOID, MINIMIZE, OR MITIGATE FOR IMPACTS RELATED TOEROSION PREVENTION, SEDIMENT CONTROL, THE PERMANENT STORMWATERTREATMENT SYSTEM, POLLUTION PREVENTION MANAGEMENT MEASURES ANDDISCHARGES ASSOCIATED WITH THE PROJECT'S CONSTRUCTION ACTIVITY.[MINN. R. 7090]YESNOA.INDIVIDUAL WHO PREPARED THE SWPPP:DOCUMENTATION OF TRAINED INDIVIDUALSB.INDIVIDUAL(S) OVERSEEING IMPLEMENTATION OF, REVISING AND/OR AMENDING THESWPPP AND INDIVIDUALS PERFORMING INSPECTIONS FOR THE PROJECT. ONE OFTHESE INDIVIDUALS MUST BE AVAILABLE FOR AN ONSITE INSPECTION WITHIN 72HOURS UPON REQUEST BY THE MPCA. [MINN. R. 7090]C.INDIVIDUAL(S) PERFORMING OR SUPERVISING THE INSTALLATION, MAINTENANCE ANDREPAIR OF BMPS. [MINN. R. 7090]N/AYESNON/AYESNON/A"BEST MANAGEMENT PRACTICES (BMPS)" MEANS THE MOST EFFECTIVE AND PRACTICABLEMEANS OF EROSION PREVENTION AND SEDIMENT CONTROL, AND WATER QUALITYMANAGEMENT PRACTICES THAT ARE THE MOST EFFECTIVE AND PRACTICABLE MEANS OFTO CONTROL, PREVENT, AND MINIMIZE DEGRADATION OF SURFACE WATER, INCLUDINGAVOIDANCE OF IMPACTS, CONSTRUCTION-PHASING, MINIMIZING THE LENGTH OF TIME SOILAREAS ARE EXPOSED, PROHIBITIONS, POLLUTION PREVENTION THROUGH GOODHOUSEKEEPING, AND OTHER MANAGEMENT PRACTICES PUBLISHED BY STATE ORDESIGNATED AREA-WIDE PLANNING AGENCIES. [MINN. R. 7090]"CONSTRUCTION ACTIVITY" MEANS ACTIVITIES INCLUDING CLEARING, GRADING, ANDEXCAVATING, THAT RESULT IN LAND DISTURBANCE OF EQUAL TO OR GREATER THAN ONEACRE, INCLUDING THE DISTURBANCE OF LESS THAN ONE ACRE OF TOTAL LAND AREATHAT IS PART OF A LARGER COMMON PLAN OF DEVELOPMENT OR SALE IF THE LARGERCOMMON PLAN WILL ULTIMATELY DISTURB EQUAL TO OR GREATER THAN ONE ACRE. THISINCLUDES A DISTURBANCE TO THE LAND THAT RESULTS IN A CHANGE IN THETOPOGRAPHY, EXISTING SOIL COVER, BOTH VEGETATIVE AND NONVEGETATIVE, OR THEEXISTING SOIL TOPOGRAPHY THAT MAY RESULT IN ACCELERATED STORMWATER RUNOFFTHAT MAY LEAD TO SOIL EROSION AND MOVEMENT OF SEDIMENT. CONSTRUCTIONACTIVITY DOES NOT INCLUDE A DISTURBANCE TO THE LAND OF LESS THAN FIVE ACRESFOR THE PURPOSE OF ROUTINE MAINTENANCE PERFORMED TO MAINTAIN THE ORIGINALLINE AND GRADE, HYDRAULIC CAPACITY, AND ORIGINAL PURPOSE OF THE FACILITY.ROUTINE MAINTENANCE DOES NOT INCLUDE ACTIVITIES SUCH AS REPAIRS, REPLACEMENTAND OTHER TYPES OF NON-ROUTINE MAINTENANCE. PAVEMENT REHABILITATION THATDOES NOT DISTURB THE UNDERLYING SOILS (E.G., MILL AND OVERLAY PROJECTS) IS NOTCONSTRUCTION ACTIVITY. [MINN. R. 7090]"DEWATERING" MEANS THE REMOVAL OF SURFACE OR GROUND WATER TO DRY AND/ORSOLIDIFY A CONSTRUCTION SITE TO ENABLE CONSTRUCTION ACTIVITY. DEWATERING MAYREQUIRE A MINNESOTA DEPARTMENT OF NATURAL RESOURCES WATER APPROPRIATIONPERMIT AND, IF DEWATERING WATER IS CONTAMINATED, DISCHARGE OF SUCH WATERMAY REQUIRE AN INDIVIDUAL MPCA NPDES/SDS PERMIT. [MINN. R. 7090]"EROSION PREVENTION" MEANS MEASURES EMPLOYED TO PREVENT EROSION SUCH ASSOIL STABILIZATION PRACTICES, PERMANENT COVER OR CONSTRUCTION PHASING. [MINN.R. 7090]"GENERAL CONTRACTOR" MEANS THE PARTY WHO SIGNS THE CONSTRUCTION CONTRACTWITH THE OWNER TO CONSTRUCT THE ENTIRE PROJECT DESCRIBED IN THE FINAL PLANSAND SPECIFICATIONS. WHERE THE CONSTRUCTION PROJECT INVOLVES MORE THAN ONECONTRACTOR, THE GENERAL CONTRACTOR IS THE PARTY RESPONSIBLE FOR MANAGINGTHE ENTIRE PROJECT ON BEHALF OF THE OWNER. IN SOME CASES, THE OWNER IS THEGENERAL CONTRACTOR. IN THESE CASES, THE OWNER SIGNS THE PERMIT APPLICATIONAS THE OPERATOR AND BECOMES THE SOLE PERMITTEE. [MINN. R. 7090]"GROUNDWATER" MEANS THE WATER CONTAINED BELOW THE SURFACE OF THE EARTH INTHE SATURATED ZONE INCLUDING, WITHOUT LIMITATION, ALL WATERS WHETHER UNDERCONFINED, UNCONFINED, OR PERCHED CONDITIONS, IN NEAR SURFACE UNCONSOLIDATEDSEDIMENT OR REGOLITH, OR IN ROCK FORMATIONS DEEPER UNDERGROUND. [MINN. R.7060]"HOMEOWNER FACT SHEET" MEANS AN MPCA FACT SHEET AVAILABLE ON THE MPCACONSTRUCTION STORMWATER WEBSITE FOR PERMITTEES TO GIVE TO HOMEOWNERS ATTHE TIME OF SALE. [MINN. R. 7090]"INFEASIBLE" MEANS NOT TECHNOLOGICALLY POSSIBLE OR NOT ECONOMICALLYPRACTICABLE AND ACHIEVABLE IN LIGHT OF THE BEST INDUSTRY PRACTICES. [MINN. R.7090]"INITIATED IMMEDIATELY" MEANS TAKING AN ACTION TO COMMENCE SOIL STABILIZATIONAS SOON AS PRACTICABLE, BUT NO LATER THAN THE END OF THE WORK DAY, FOLLOWINGTHE DAY WHEN THE LAND-DISTURBING ACTIVITIES TEMPORARILY OR PERMANENTLYCEASE, IF THE PERMITTEES KNOW THAT CONSTRUCTION WORK ON THAT PORTION OF THESITE WILL BE TEMPORARILY CEASED FOR 14 OR MORE ADDITIONAL CALENDAR DAYS OR 7CALENDAR DAYS WHERE ITEM 23.9 APPLIES. PERMITTEES CAN INITIATE STABILIZATION BY:A. PREPPING THE SOIL FOR VEGETATIVE OR NON-VEGETATIVE STABILIZATION; ORB. APPLYING MULCH OR OTHER NON-VEGETATIVE PRODUCT TO THE EXPOSED SOILAREA; ORC. SEEDING OR PLANTING THE EXPOSED AREA; ORD. STARTING ANY OF THE ACTIVITIES IN A - C ON A PORTION OF THE AREA TO BESTABILIZED, BUT NOT ON THE ENTIRE AREA; ORE. FINALIZING ARRANGEMENTS TO HAVE STABILIZATION PRODUCT FULLY INSTALLED INCOMPLIANCE WITH THE APPLICABLE DEADLINE FOR COMPLETING STABILIZATION.[MINN. R. 7090]"IMPERVIOUS SURFACE" MEANS A CONSTRUCTED HARD SURFACE THAT EITHER PREVENTSOR RETARDS THE ENTRY OF WATER INTO THE SOIL AND CAUSES WATER TO RUN OFF THESURFACE IN GREATER QUANTITIES AND AT AN INCREASED RATE OF FLOW THAN PRIOR TODEVELOPMENT. EXAMPLES INCLUDE ROOFTOPS, SIDEWALKS, DRIVEWAYS, PARKING LOTS,AND CONCRETE, ASPHALT, OR GRAVEL ROADS. BRIDGES OVER SURFACE WATERS ARECONSIDERED IMPERVIOUS SURFACES. [MINN. R. 7090]"NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES)" MEANS THE PROGRAMFOR ISSUING, MODIFYING, REVOKING, REISSUING, TERMINATING, MONITORING, ANDENFORCING PERMITS UNDER THE CLEAN WATER ACT, AS AMENDED (33 U.S.C. 1251 ET SEQ.SECTION 1342 AND 40 CFR PARTS 122, 123, 124 AND 450). [MINN. R. 7090]"NATURAL BUFFER" MEANS AN AREA OF UNDISTURBED COVER SURROUNDING SURFACEWATERS WITHIN WHICH CONSTRUCTION ACTIVITIES ARE RESTRICTED. NATURAL BUFFERINCLUDES THE VEGETATION, EXPOSED ROCK, OR BARREN GROUND THAT EXISTS PRIORTO COMMENCEMENT OF EARTH-DISTURBING ACTIVITIES. [MINN. R. 7090]"NOTICE OF TERMINATION (NOT)" MEANS THE FORM (ELECTRONIC OR PAPER) REQUIREDFOR TERMINATING COVERAGE UNDER THE CONSTRUCTION GENERAL PERMIT. [MINN. R.7090]""OPERATOR" MEANS THE PERSON (USUALLY THE GENERAL CONTRACTOR), FIRM,GOVERNMENTAL AGENCY, OR OTHER ENTITY DESIGNATED BY THE OWNER WHO HAS DAYTO DAY OPERATIONAL CONTROL AND/OR THE ABILITY TO MODIFY PROJECT PLANS ANDSPECIFICATIONS RELATED TO THE SWPPP. THE PERMIT APPLICATION MUST LIST THEOPERATOR AS A PERMITTEE. SUBCONTRACTORS HIRED BY AND UNDER SUPERVISION OFTHE GENERAL CONTRACTOR ARE NOT OPERATORS. [MINN. R. 7090]"OWNER" MEANS THE PERSON, FIRM, GOVERNMENTAL AGENCY, OR OTHER ENTITYPOSSESSING THE TITLE OF THE LAND ON WHICH THE CONSTRUCTION ACTIVITIES WILLOCCUR OR, IF THE CONSTRUCTION ACTIVITY IS FOR A LEASE, EASEMENT, OR MINERALRIGHTS LICENSE HOLDER, THE PARTY OR INDIVIDUAL IDENTIFIED AS THE LEASE,EASEMENT OR MINERAL RIGHTS LICENSE HOLDER; OR THE CONTRACTING GOVERNMENTAGENCY RESPONSIBLE FOR THE CONSTRUCTION ACTIVITY. [MINN. R. 7090]"PERMANENT COVER" MEANS SURFACE TYPES THAT WILL PREVENT SOIL FAILURE UNDEREROSIVE CONDITIONS. EXAMPLES INCLUDE: GRAVEL, CONCRETE, PERENNIAL COVER, OROTHER LANDSCAPED MATERIAL THAT WILL PERMANENTLY ARREST SOIL EROSION.PERMITTEES MUST ESTABLISH A UNIFORM PERENNIAL VEGETATIVE COVER (I.E., EVENLYDISTRIBUTED, WITHOUT LARGE BARE AREAS) WITH A DENSITY OF 70 PERCENT OF THENATIVE BACKGROUND VEGETATIVE COVER ON ALL AREAS NOT COVERED BY PERMANENTSTRUCTURES, OR EQUIVALENT PERMANENT STABILIZATION MEASURES. PERMANENTCOVER DOES NOT INCLUDE TEMPORARY BMPS SUCH AS WOOD FIBER BLANKET, MULCH,AND ROLLED EROSION CONTROL PRODUCTS. [MINN. R. 7090]"PERMITTEES" MEANS THE PERSONS, FIRM, GOVERNMENTAL AGENCY, OR OTHER ENTITYIDENTIFIED AS THE OWNER AND OPERATOR ON THE APPLICATION SUBMITTED TO THEMPCA AND ARE RESPONSIBLE FOR COMPLIANCE WITH THE TERMS AND CONDITIONS OFTHIS PERMIT. [MINN. R. 7090]"PROJECT(S)" MEANS ALL CONSTRUCTION ACTIVITY PLANNED AND/OR CONDUCTED UNDERA PARTICULAR PERMIT. THE PROJECT OCCURS ON THE SITE OR SITES DESCRIBED IN THEPERMIT APPLICATION, THE SWPPP AND IN THE ASSOCIATED PLANS, SPECIFICATIONS ANDCONTRACT DOCUMENTS. [MINN. R. 7090]"PUBLIC WATERS" MEANS ALL WATER BASINS AND WATERCOURSES DESCRIBED IN MINN.STAT. SECT. 103G.005 SUBP. 15. [MINN. R. 7090]"SEDIMENT CONTROL" MEANS METHODS EMPLOYED TO PREVENT SUSPENDED SEDIMENTIN STORMWATER FROM LEAVING THE SITE (E.G. SILT FENCES, COMPOST LOGS AND STORMDRAIN INLET PROTECTION). [MINN. R. 7090]"STABILIZE", "STABILIZED", "STABILIZATION" MEANS THE EXPOSED GROUND SURFACE HASBEEN COVERED BY APPROPRIATE MATERIALS SUCH AS MULCH, STAKED SOD, RIPRAP,EROSION CONTROL BLANKET, MATS OR OTHER MATERIAL THAT PREVENTS EROSION FROMOCCURRING. GRASS SEEDING, AGRICULTURAL CROP SEEDING OR OTHER SEEDING ALONEIS NOT STABILIZATION. MULCH MATERIALS MUST ACHIEVE APPROXIMATELY 90 PERCENTGROUND COVERAGE (TYPICALLY 2 TON/ACRE). [MINN. R. 7090]"STORMWATER" MEANS PRECIPITATION RUNOFF, STORMWATER RUNOFF, SNOWMELTRUNOFF, AND ANY OTHER SURFACE RUNOFF AND DRAINAGE. [MINN. R. 7090]"STEEP SLOPES" MEANS SLOPES THAT ARE 1:3 (V:H) (33.3 PERCENT) OR STEEPER INGRADE. [MINN. R. 7090]"STORM WATER POLLUTION PREVENTION PLAN (SWPPP)" MEANS A PLAN FORSTORMWATER DISCHARGE THAT INCLUDES ALL REQUIRED CONTENT UNDER IN SECTION 5THAT DESCRIBES THE EROSION PREVENTION, SEDIMENT CONTROL AND WASTE CONTROLBMPS AND PERMANENT STORMWATER TREATMENT SYSTEMS. [MINN. R. 7090]"SURFACE WATER OR WATERS" MEANS ALL STREAMS, LAKES, PONDS, MARSHES,WETLANDS, RESERVOIRS, SPRINGS, RIVERS, DRAINAGE SYSTEMS, WATERWAYS,WATERCOURSES, AND IRRIGATION SYSTEMS WHETHER NATURAL OR ARTIFICIAL, PUBLICOR PRIVATE, EXCEPT THAT SURFACE WATERS DO NOT INCLUDE STORMWATERTREATMENT SYSTEMS CONSTRUCTED FROM UPLAND. THIS PERMIT DOES NOT CONSIDERSTORMWATER TREATMENT SYSTEMS CONSTRUCTED IN WETLANDS AND MITIGATED INACCORDANCE WITH SECTION 22 AS SURFACE WATERS. [MINN. R. 7090]"WATERS OF THE STATE" (AS DEFINED IN MINN. STAT. SECT. 115.01, SUBP. 22) MEANS ALLSTREAMS, LAKES, PONDS, MARSHES, WATERCOURSES, WATERWAYS, WELLS, SPRINGS,RESERVOIRS, AQUIFERS, IRRIGATION SYSTEMS, DRAINAGE SYSTEMS AND ALL OTHERBODIES OR ACCUMULATIONS OF WATER, SURFACE OR UNDERGROUND, NATURAL ORARTIFICIAL, PUBLIC OR PRIVATE, WHICH ARE CONTAINED WITHIN, FLOW THROUGH, ORBORDER UPON THE STATE OR ANY PORTION THEREOF. [MINN. STAT. 115.01, SUBP. 22]"WATER QUALITY VOLUME" MEANS ONE (1) INCH OF RUNOFF FROM THE NET INCREASE INIMPERVIOUS SURFACES CREATED BY THE PROJECT (CALCULATED AS AN INSTANTANEOUSVOLUME). [MINN. R. 7090]"WETLANDS" (AS DEFINED IN MINN. R. 7050.0186, SUBP. 1A.B.) MEANS THOSE AREAS THATARE INUNDATED OR SATURATED BY SURFACE WATER OR GROUNDWATER AT AFREQUENCY AND DURATION SUFFICIENT TO SUPPORT, AND UNDER NORMALCIRCUMSTANCES DO SUPPORT, A PREVALENCE OF VEGETATION TYPICALLY ADAPTED FORLIFE IN SATURATED SOIL CONDITIONS. WETLANDS GENERALLY INCLUDE SWAMPS,MARSHES, BOGS, AND SIMILAR AREAS. CONSTRUCTED WETLANDS DESIGNED FORWASTEWATER TREATMENT ARE NOT WATERS OF THE STATE. WETLANDS MUST HAVE THEFOLLOWING ATTRIBUTES:1.A PREDOMINANCE OF HYDRIC SOILS; AND2.INUNDATED OR SATURATED BY SURFACE WATER OR GROUNDWATER AT AFREQUENCY AND DURATION SUFFICIENT TO SUPPORT A PREVALENCE OFHYDROPHYTIC VEGETATION TYPICALLY ADAPTED FOR LIFE IN A SATURATED SOILCONDITION; AND3.UNDER NORMAL CIRCUMSTANCES SUPPORT A PREVALENCE OF SUCH VEGETATION.[MINN. R. 7050.0186, SUBP. 1A.B]NPDES DEFINITIONSLONG TERM OPERATION AND MAINTENANCE OF PERMANENT STORMWATER FACILITIESTHE PROPOSED STORMWATER MANAGEMENT FEATURES FOR THIS SITE WILL BEOPERATED AND MAINTAINED BY THE CITY OF LITTLE CANADA.** SEEDED AREAS SHALL BE EITHER MULCHED OR COVERED BY FIBROUS BLANKETSTO PROTECT SEEDS AND LIMIT EROSION.* MOW A MINIMUM OF: RESIDENTIAL TURF - ONCE PER 2 WEEKS COMMERCIAL TURF - ONCE PER 4 WEEKS3885 (CATEGORY 2)WOOD FIBER BLANKET3881FERTILIZER3882 (TYPE 1 - DISC ANCHORED)MULCH* FOR TURF ESTABLISHMENTITEM3876SEED **3878SODMNDOT SPECIFICATION/NOTESMNDOT MIX 25-131 (220 LBS/ACRE)MNDOT MIX 25-131 (120 LBS/ACRE)TEMPORARYMNDOT MIX 21-112 (100 LBS/ACRE)FALL COVERMNDOT MIX 21-111 (100 LBS/ACRE)SPRING/SUMMERMNDOT MIX 22-111 (30.5 LBS/ACRE)1-2 YEARS COVERMNDOT MIX 22-112 (40 LBS/ACRE)2-5 YEARS COVERCOMMERCIAL TURFRESIDENTIAL TURFMNDOT MIX 21-113 (110 LBS/ACRE)SOIL-BUILDING COVERREVEGETATION SPECIFICATIONSUNNAMED WETLANDSWETLANDNONOEROSION CONTROL BLANKETSQUARE YARDS3884HYDROMULCHGENERAL CONTRACTORTBDA)THERE ARE NO WETLANDS WITHIN 50-FEET OF THE LIMITS OF DISTURBANCE.A)THIS REQUIREMENT BECOMES FIVE (5) OR MORE ACRES BECAUSE OF THEPROXIMITY OF IMPAIRED WATERS. HOWEVER, IT IS NOT ANTICIPATED THATDISTURBANCE WILL EXCEED APPROXIMATELY THREE (3) ACRES.A)THE SITE GENERALLY HAS HSG B SOILS AND SO INFILTRATION SHOULD BEFEASIBLE; HOWEVER, UNDERLYING SOILS, ESPECIALLY IN THE BMP AREA,WOULD DEEM INFILTRATION NOT FEASIBLE.CARA BUILDERS LLC1475 18TH AVE NWNEW BRIGHTON, MN 55112CONTACT NAME:SEAN KEATTSCONTACT PHONE:651-468-5725CONTACT E-MAIL:SEAN@CARABUILDERS.COMCONTACT NAME____________________________________CONTACT PHONE____________________________________CONTACT E-MAIL:____________________________________CONTACT NAME____________________________________CONTACT PHONE____________________________________CONTACT E-MAIL:____________________________________VILLAS OF GERVAIS LAKELATITUDE:LONGITUDE:45.02211-93.0770363748082152UNNAMED CREEKCREEKNONOGERVAIS LAKELAKEYESNOIMPAIRED STREAMS: UNNAMED CREEKASSESSMENT UNIT: 07010206-910APPROVED TMDL PLAN FOR: NONEADDITIONAL IMPAIRMENTS: BENTHIC MACROINVERTEBRATES BIOASSESSMENTSNEW IMPAIRMENTS: BENTHIC MACROINVERTEBRATES BIOASSESSMENTSIMPAIRED LAKES: GERVAISASSESSMENT UNIT: 62-0007-00APPROVED TMDL PLAN FOR: MERCURY IN FISH TISSUEADDITIONAL IMPAIRMENTS: PERFLUOROOCTANE SULFONATE (PFOS) IN FISH TISSUENEW IMPAIRMENTS: PERFLUOROOCTANE SULFONATE (PFOS) IN FISH TISSUEIMPAIRED LAKES: KOHLMANASSESSMENT UNIT: 62-0006-00APPROVED TMDL PLAN FOR: CHLORIDE; NUTRIENTSADDITIONAL IMPAIRMENTS: NONENEW IMPAIRMENTS: NONECONSTRUCTION PLANS9-14-22KOHLMAN LAKELAKEYESNORWMWD COMMENTS9-21-22
<br />CITY REVIEW COMMENTS11-30-22LINEAR FEET
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