Urban Drainage and Flood Control District Maintenance Eligibility Program Status of Projects by Local Government Aurora

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1 Urban Drainage and Flood Control District Maintenance Eligibility Program Status of Projects by Local Government Aurora 10-Sep-2015 BEAR GULCH 1166 Aurora Park East 5/9/ S-64W 5/13/ Aurora Park East 5/9/ S-64W 5/13/ Aurora Park East 5/9/ S-64W 5/13/1991 CROOKED RUN 1200 CenterPort International 10/14/ ,27-3S-64W 10/16/ CenterPort International 4/16/ S-64W 4/16/1992 FIRST CREEK 3165 Aurora Commerce Center 11/24/2004 1/20/ S-66W First Creek OSP 10/23/03: Drainage study. 7/28/04; plans & 11/24/04; plans & 9/28/05; plans & 1/20/ Century 21 8/26/ S-66W First Creek MP 8/27/ E-470/I-70 Fly-by Interchange 6/16/2005 6/16/ S-66W 3/16/05; plans and 6/16/05; plans & 6/16/ Eastgate Subdivision Filing 1 2/13/2013 7/28/ S-66W First Creek OSP (1990) 2/25/03: FDP. 5/10/04; const plans & Concept conflicts with E-470 interchange plans. 4/4/05; plans & rpt, still lacks adequate coordination with E /19/08; plans & re-submittal, 2/1; Design approval issued on 7/1/13 plans because design approval letter never issued. Design changes for drop DS of Smith Rd submitted Sept AKA: First Creek Channelization_Century 21 Filing 1. 7/28/ Highpoint Filing 1 Blue Grama 1/10/2006 7/11/2006 2/12/ S-66W Pond 801 and Blue Grama Draw. 1/10/06; plans & rpt, pond from J3 and channel from SA Miro. 4/17/06: plans & 2/12/ Highpoint Filings 3 & 4 Phase 2 Blue Grama 6/19/2008 6/19/ S-66W Two roadway crossings to complete the channel. 6/19/ Majestic Commerce Center (aka Auro several 3/25/ S-66W Concept grading plan for Picadilly Pond 4/11/ Nevin/Ringsby 6/7/ S-66W First Creek MP (1977) 6/7/ Prologis Park 4/14/ S-65W 4/14/ Single DIA Blue Grama Draw 12/7/ S-66W Revision to First Creek Need drainage submittal OSP 12/7/1998 FIRST CREEK TRIB T 186 Green Valley Ranch East Several tribs. 7/23/ ,19,29-3S- 65W; 24-3S- 66W 1

2 Green Valley Ranch East 8/29/ S-66W First Creek MP (1977) 8/29/02: FDP Green Valley Ranch East 8/29/ S-65W First Creek MP (1977) 8/29/02: FDP Green Valley Ranch East 8/29/ S-65W First Creek MP (1977) 8/29/02: FDP Green Valley Ranch East 8/29/ S-65W First Creek MP (1977) 8/29/02: FDP Green Valley Ranch East 8/29/ S-65W First Creek MP (1977) 8/29/02: FDP Green Valley Ranch East 7/23/ ,29,30-3S First Creek MP Tributary to First Creek 65W; 24-3S- 66W 9/16/2002 9/16/2002 9/16/2002 9/16/2002 9/16/ Windler Homestead tributary 6/10/2004 6/10/ S-66W 2/11/04: Major drainageway in a box culvert. 4/19/04: now open channel but no drainage report. 6/10/04; plans & rpt, need MDP approval. 6/10/2004 GRANBY DITCH 26 Regency 7/16/1985 7/16/ S-66W Granby/Sable Floodplain dedicated to city... 4/24/1986 HENRY DAVID DRAW 1198 CenterPort International 4/14/ S-64W 4/16/ CenterPort International 4/14/ ,22-3S-64W 4/16/1992 IRONDALE GULCH 3038 Bolling Drive Tributary Bolling Drive 10/1/ S-66W Irondale OSP 10/1/02: Preliminary design report. 10/1/ Bolling Drive Tributary Bolling Drive 10/1/ S-66W Irondale OSP 10/1/02: Preliminary design report. Gateway Park Bolling Drive Tributary Bolling Drive 3/17/2005 3/17/ S-66W Irondale OSP 10/29/04; plans & 3/2/05; plans & Gateway Park East Pond UP-C Montbello 5/28/2002 5/28/ S-66W Irondale OSP Part of the MP Upland Pond system. 3/7/02; plans & 5/28/02; plans & rpt, see letter this date. Gateway Park East Ponds UP-B1 & B Montbello 9/6/2005 9/6/ S-66W Irondale OSP Part of the MP Upland Pond system. 9/6/05; plans & rpt, see letter this date. 10/1/2002 3/17/2005 5/28/2002 9/8/ Majestic Commerce Center (aka Auro several 4/2/ S-66W UP Realty Co. Bolling Drive 6/10/ S-66W Irondale Gulch OSP UP Realty Co. Bolling Drive 6/10/ S-66W Irondale Gulch OSP 7/1/1992 7/1/ Upland Industries 8/8/ ,21,27-3S- Comp plan amendment only. 66W MONTBELLO DRAINAGE 3760 Gateway Park IV East Filing 19 Bolling Drive Tributa 10/22/ ,0,0-3S- 10/22/2014: Single outfall to Bolling 66W; 0,0,0-- Drive Trib; returned comments 10/22/ UP Realty Co. 6/10/ ,21-3S-66W Irondale Gulch OSP 7/1/1992 NEWCOMB GULCH 1199 CenterPort International 4/14/ ,22-3S-64W 4/16/1992 SABLE DITCH 799 Mid-America 9/26/ S-66W Sable Ditch Relys on "existing pipe" - installation history not known as this is written. 2

3 Sable Ditch Channel 6/5/ ,32-3S-66W Granby/Sable Channel built by Aurora; design never submitted; horseback review indicates potential problems. Sable Ditch Revision 3/10/1982 3/10/1982 3/10/1982 3/10/ S-66W Sable Ditch Constructed by Aurora w/o District approval. Sable Ditch Revision 3/10/1982 3/10/1982 3/10/1982 3/10/ S-66W Sable Ditch Constructed by Aurora w/o District approval. Toll Gate Creek Channelization 6/15/1987 6/15/ S-66W Granby & Sable Ditch Sable Ditch confluence area contained in Toll Gate design. 9/9/1987 SAND CREEK 3507 Aurora ICE Processing Center Baranmoor Ditch 9/5/ /24/2008 4/16/2009 7/22/ S-67W Channel armoring, outfall, grouted boulder spillway and drop structure. 7/22/ Baranmor Ditch Reach 4-5 Baranmoor Ditch 4/13/ S-67W Channel improvements including 3 culverts and numerous drop structures 2/3/2015: Returned comments on final drawings 4/13/2015: Design Approved 4/13/ Baranmor Ditch Reach 6 Baranmoor Ditch 1/16/ S-67W Channel improvements, comm 1/16/13 3/4/ Buckley Rd. Bridge 5/6/1987 5/6/1987 5/25/ ,33-3S-66W Sand Creek MP Flood control elements only. Chambers Rd. Bridge Widening 6/27/1984 6/27/ ,32-3S-66W Sand Creek MBT #1 3/28/ S-67W Sand Creek Stearns-Roger 5/23/ S-66W Sand Creek Rezoning only. 6/16/ Upland Industries 8/8/ ,29-3S-66W Comp plan amendment only. SECOND CREEK 3406 Sagebrush Farm 6/8/ S-65W Second Cr 6/8/06: Drainage report. 6/22/2006 SOUTH PLATTE RIVER 807 Twenty-third Ave. Storm Sewer 23rd Ave. Storm Sew 6/19/1985 6/19/ S-67W Only part considered was the outlet to Westerly Creek at Sta in Westerly Creek (1983) TOLL GATE CREEK 1049 Potomac St. Bridge Pier Protection 2/5/1990 3/15/1990 6/4/1991 8/5/ S-66W 8/5/ Toll Gate Channel Repairs 10/23/ ,0,0-3S- 67W; 31,0,0-3S-66W Toll Gate Creek 8/22/2014: Channel Bank Repairs in 3 locations; plns had issuficient information to review 10/23/2014: Approved Design 10/23/2014 WEST FORK SECOND CREEK 3826 High Point at DIA-West Fork Second 6/16/2015 2,3,10-3S- 66W; 11,0,0-3S-66W Arch culvert improvement and ped x-ing at 64th Ave and 1200 ft of channel U/S and D/S of 64th. Returned comments: 6/16/2015 6/16/ Highpoint Filing 2, Phase I 6/2/2006 6/2/ /26/ S-66W Second Creek OSP West Fork Second Creek channelization. 4/17/06; plans & 6/2/06; plans, comments. Repair list. 11/26/2008 3

4 3391 Highpoint Filings 3 & 4, Phase 1 6/1/ /12/ S-66W Second Creek OSP West Fork Second Creek channelization. 4/17/06; plans & 6/1/06; plans & 10/10/06; plans & 11/12/06; plans & 11/12/ International Center 2/5/ S-66W 2/19/1990 WESTERLY CREEK 3423 Stapleton Aurora Filing 1 11/12/ /12/ S-67W Overflow channel, see also /12/06; plans & 11/12/ Stapleton Aurora Filing 2 11/12/ /12/ S-67W Overflow channel, see also /12/06; plans & 11/12/ Stapleton Filing 11 4/14/2004 5/10/ S-67W Overflow channel & drops, see also /10/2004 Legend Concept, design or construction approved as of the given date. Concept, design or construction reviewed but not approved as of the given date. Concept, design, construction or final eligibility not yet considered. Project not eligible for District maintenance assistance as of the given date. Project eligible for District maintenance assistance as of the given date. 4

5 Urban Drainage and Flood Control District Maintenance Eligibility Program Status of Projects by Local Government Aurora 10-Sep-2015 ANTELOPE CREEK 3434 King's Point North Filing 4 6/14/2007 2/13/ S-66W Piney Creek Tribs Floodplain preservation, one outfall & one roadway crossing. 9/12/06; plans & 1/9/07; plans & 6/14/07; plans & 10/10/07; plans & 3/25/ King's Point North Filing No. 2 4/19/2004 6/7/ S-66W Piney Creek Tribs 6/10/02: Site plan & plat. 4/19/04: CSP and plat. 10/25/04; plans & 12/1/04; plans & 1/12/05; plans & 3/9/05; plans & 4/21/05; plans & Ridgemoor 3/23/ S-66W Piney Creek Tribs. GDP Amendment 6/7/2005 3/23/1994 CHERRY CREEK 850 Bramalea Regional Mall 11/10/ S-66W Cherry Creek FPI 11/13/ Cherry Ck Low Water cross S of Arap 11/17/2010 2/1/ S-66W Cherry Creek 2003 Low water crossing at soccer complex Cornerstar 8/16/2007 8/16/2007 1/29/ S-66W Cherry Creek 5/23/06: GDP. Bank revetment Cornerstar 8/16/2007 8/16/2007 1/29/ S-66W Cherry Creek 5/23/06: GDP. Bank revetment /1/2011 1/29/2009 1/29/ Cornerstar F (Constructed Wetla 8/16/2007 8/16/2007 1/29/ S-66W 5/23/06: GDP. 1/29/ Cornerstar E (Foxfield Outfall) 8/16/2007 8/16/2007 1/29/ S-66W 5/23/06: GDP. 1/29/ Hampden Town Center Four Square Mile Ar 9/25/ S-67W 10/6/ King's Point North Filing 1 tributary 9/7/2005 3/1/ S-66W 4/20/04; prelim drainage 10/21/04; final drainage rpt & plans, substandard drainage concepts. 9/7/05; plans & rpt, concept now ok. 1/10/06; plans & 3/1/ Pioneer Hills un-named 4/8/ S-66W 4/8/99: GDP/PDP submittal needs drainage study to evaluate eligibility. 4/8/ Quincy Ave. Drainage Outfall System Reach 4 4/12/1988 8/2/ /24/ S-67W Quincy Drainage OSP Quincy Ave.Drainage Outfall System Quincy Drainage 4/12/1988 8/2/ /24/ S-67W Quincy Drainage OSP 10/30/ /30/ Quincy Convenience Center Quincy Drain 11/6/ S-66W Quincy Drain/Shop Detention pond lcoation in danger. Creek OSP 11/11/ Ridgemoor 3/23/ ,34-5S-66W GDP Amendment. 4/26/ Shop Creek Shop Creek 6/28/1988 6/28/ S-66W; Shop Creek OSP 5S-67W 6/28/ Valley Club Pointe 9/15/ S-66W Formerly Valley Country Club in Arapahoe Co. 10/2/1995 1

6 COAL CREEK (ARAPCO) 3052 Eastern Hills 10/26/ /26/ S-65W Upper Sand Creek OSP 10/30/02: Drainage report. Coal Creek stabilization plans and Flg 1 & 2 outfalls. 10/25/04; plans & 6/1/06; plans. 2/14/07; plans & FP 10/26/07; plans & 10/26/ Eastern Hills 2/17/ ,20,21-4S Sand Creek Leaving FP open. 65W Eastern Hills Conn Draw 20-4S-65W Upper Sand Creek OSP 10/30/02: Drainage report. Eastern Hills Fox Tail Run 20-4S-65W Upper Sand Creek OSP 10/30/02: Drainage report. Eastern Hills Filing 5 7/28/2004 7/28/ S-65W Upper Sand Creek OSP 3/4/1986 8/3/ Eastern Hills South 12/16/ S-65W Outside District. 1/9/1987 EAST TOLL GATE CREEK 797 Alamosa 4/4/ S-66W Proposed park and open space Buckley AFB Housing Project 9/20/2005 9/20/ S-66W Two storm sewer outsfalls. 9/20/ Buckley/State Land Board 12/16/ S-66W 1/9/ Columbia Creek Columbia Creek 5/21/1985 5/21/ S-66W Drainage plan has many problems Creekside 12/24/ S-66W 1/9/ Dueck 1/4/ S-66W Rezoning only. SE 1/4 10/9/ Golf Course on E. Toll Gate 5/21/1985 5/21/1985 5/21/ S-66W Aurora Aurora owned golf course; project has many problems Heather Ridge Village #2 4/3/ S-66W 792 Heather Ridge Village Indus. Sub. 9/28/ S-66W 791 Heather Ridge Village Indus. Sub. 9/28/ S-66W 189 Highline E. Toll Gate 2/20/1985 2/20/1985 2/20/ S-66W Project under construction; design not submitted for review and approval; design problems suspected Jewell Property 6/20/ S-66W 6/24/ Kingsborough #8 2/8/ S-66W 784 Kingsborough Filing #8 Side Creek 6/20/ S-66W Apparently built but eligibility never requested. 555 Orchard Crossing 19-5S-65W 1/9/ Panorama Heights Side Creek 2/3/ S-66W Request for after-the-fact elegibility. 3/4/ Panorama Heights Side Creek 10/25/ /25/ S-66W 3045 Pomeroy 10/8/ S-65W Upper Toll Gate Creek 10/8/02: Framework. OSP 10/8/ Quail Run Side Creek 2/3/ S-66W Request for after-the-fact eligibility. 3/4/ Sienna Side Creek 11/21/ /21/ S-66W 2859 Sleepy Hollow 11/29/ S-66W 11/29/01: PDP & replat. 11/28/2001 2

7 3021 Sorrel Ranch Filing No. 1 9/5/ /13/2003 2/26/2007 7/19/ S-65W Upper Toll Gate Creek Basin OSP 9/13/02: Contextual Site Plan. 4/9/03; plans & Question channelized approach. 9/5/03; plans & 10/28/03; plans & 7/19/ Toll Gate Creek Condominiums 3/14/ S-66W 196 Toll Gate Creek Condos 1/31/ S-66W 805 Toll Gate Villages 7/22/ ,17-4S-66W 804 Toll Gate Villages 7/22/ S-66W 806 Toll Gate Villages 7/22/ S-66W 781 Tollgate Condos 7/10/ S-66W Tollgate Crossing Filing 2 7/28/2004 7/28/ S-65W Upper Toll Gate OSP 7/28/04; plans & Tollgate Crossing Filing 6 1/5/2005 5/11/ S-65W Upper Toll Gate OSP 7/28/04; plans & 10/25/04; plans & 1/5/05; plans & 3/9/05; plans & Tollgate Crossing Filing 6 Gun Club 12/17/2004 5/11/ S-65W Upper Toll Gate OSP One outfall. 12/17/04; plans & 3/8/05; plans & Tollgate Crossing Phase 1 7/23/2002 4/10/2003 3/9/2006 8/20/ S-65W Upper Toll Gate OSP See also 3114 & /23/02: Framework amendment. Crossing at Belleview Ave. 12/4/02; plans & 2/20/03; plans & 3/11/03; plans & 11/26/08; repair list. 8/3/2004 5/11/2005 5/11/2005 8/20/ Tollgate Village #14 4/18/ S-66W 2420 Uravan Channel at Louisiana Street Uravan Channel 12/1/ /1/1998 3/25/1999 3/25/ S-66W 3/25/ Xcel Smoky Hill Substation Expansio 3/23/2011 6/9/ S-65W one outfall 12/1/2011 FIRST CREEK 3272 Adonea Filing 1 T7 5/3/2005 5/26/2005 5/10/ /19/ S-65W First Creek OSP 4/28/03: Framework. 10/18/04; plans & 2/8/05; plans & 5/3/05; plans & Drop structures. 11/19/ Adonea Filing 3, Phase 1 T7 5/26/ /3/2005 5/10/ /19/ S-65W First Creek OSP 5/26/05; plans & 9/1/05; plans & Drop structures. Repair list. Adonea Filing 3, Phase 2 T7 5/26/ /3/ S-65W First Creek OSP 5/26/05; plans & 9/1/05; plans & Phase 2 of the project.see also 3347.Remove temp check structures d/s of F.1 for final. 11/19/ /11/ Aurora Airpark un-named (2) 9/3/1986 3,4,10-4S-65W Outside District... 10/6/ Eastern Hills Main Channel 15-4S-65W First Creek OSP 10/30/02: Drainage report. Eastern Hills 15-4S-65W First Creek OSP 10/30/02: Drainage report. Eastern Hills T S-65W First Creek OSP 10/30/02: Drainage report. Eastern Hills T7 16-4S-65W First Creek OSP 10/30/02: Drainage report. 5 Eastern Hills 2/17/ S-65W Upstream from MP study limits. Aurora annexation. 3/3/ Eastern Hills T7 21-4S-65W First Creek OSP 10/30/02: Drainage report. 956 Eastview Village 8/10/ S-65W 8/12/1988 3

8 468 Gun Club Farms 10/22/ S-65W First Creek MP Proposed annexation 10/29/ Purview 3/18/ S-65W Some open floodplain and channelization; currently (3/86) outside District... 4/24/ Sand Creek Ranch T 7 12/3/ S-65W First Creek OSP 12/3/02: FDP. No drainage study. Sand Creek Ranch T /3/ S-65W First Creek OSP 12/3/02: FDP. No drainage study. 12/3/ /3/ Sand Creek Ranch Filing 1 T 7 1/24/2006 1/24/ S-65W First Creek OSP 12/3/02: FDP. No drainage study. 9/28/05; Plans & 1/24/06; plans & 1/24/ Sand Creek Ranch Filing 4 T 7 9/28/2005 9/28/ S-65W First Creek OSP 12/3/02: FDP. No drainage study. 9/28/05; Plans & 10/6/ Sand Creek Ranch Filing 9 T 7 9/28/2005 2/13/ S-65W First Creek OSP 12/3/02: FDP. No drainage study. 9/28/05; Plans & 2/13/06; plans & 2/13/ Smith Road Farms un-named 12/16/ S-65W Outside District 1/9/ Starfall T-7 1/3/ S-65W First Creek OSP 1/3/05: FDP. 4/11/05: Drainage report. Same concept. Starfall 1/3/ S-65W First Creek OSP 1/3/05: FDP. 4/11/05: changed from open space to channel. Sun Meadow 4/13/ S-65W First Creek OSP 4/13/05: Propose channelization but design Q unknown. Traditions T-4 12/12/ S-65W First Creek OSP 12/12/02: FDP Trails at First Creek 12/22/ S-65W First Creek OSP 12/22/03: Master Drainage report. 4/11/2005 4/11/2005 4/18/ /12/ /22/2003 GRANBY DITCH 1631 Buckley Specialty Center 8/9/ S-66W Granby Ditch 5/22/95: not approved. 8/9/00: plat OK. 8/9/ Monterey Point 5/19/2003 8/20/ S-66W Granby/Sable 3/12/03; plans & 5/19/03; plans & 8/22/ Sixth Ave. Detention Pond 5/2/ S-66W Temp. Pond. Maint. Eligibility not requested. 6/10/ Sunlite 2/15/ S-66W Granby/Sable Super Kmart Center 8/17/ S-66W Granby and Sable Box culvert under parking lot. 8/17/1995 IRONDALE GULCH 3642 Bolling Channel completion SCMD Bolling Drive 7/19/2012 9/11/2012 9/5/ S-66W Irondale OSP connects to RTD East Line, 4 drops, see 3641, comments 7/19/12, Sand Creek Metro Distr, folder also has Denver files 9/5/2013 MEADOWOOD DRAIN 639 Horseshoe Park 8/3/1987 8/3/1987 8/31/1990 8/31/ S-66W WTGC to Iliff. Low flow channel only. No wetlands. 8/31/1990 MURPHY CREEK 188 Gun Club Partnership 8/2/ ,30-4S Piney Creek 65W; 24-4S- 66W 1600 Murphy Creek Harvest Gulch 4/12/ S-65W Upper Sand Creek OSP ID #'s /13/1995 4

9 Murphy Creek 4/12/ /12/ ,30-4S Upper Sand Creek OSP ID #'s /28/98: endorsed 65W; 24-4S- CLOMR submittal for golf course 66W Murphy Creek Alexandra Gulch 4/12/ S-65W Upper Sand Creek OSP ID #'s Murphy Creek Murphy Creek East 4/12/ /12/ S-65W; Upper Sand Creek OSP ID #'s S-66W Murphy Creek Gun Club Creek 4/12/ ,30-4S-65W Upper Sand Creek OSP ID #'s /6/1998 4/13/ /12/1997 4/13/ Murphy Creek Metropolitan District 9/28/ /11/2005 8/28/2007 8/28/ S-66W Upper Sand Creek OSP Stream stabilization and roadway crossings. 8/28/ Murphy Creek North 5/3/ S-66W Piney Cr (1975) 5/3/06: FDP. Concept OK. FP wrong. 5/3/ Murphy Creek Subdivision 1, lot 1, bl 12/15/ S-66W Upper Sand Creek OSP Stream stabilization and one outfall 12/15/ Nevin/Ringsby 8/10/ S-66W Piney Creek Pomeroy 10/8/ S-65W Upper Sand Creek OSP 10/8/02: Framework. Sorrel Ranch 10/22/2001 2/12/2008 2/12/ S-65W Sand Creek Basin MP 8/17/00: FDP. 10/22/01: FDP. 10/1/02: Master Drainage Report. Formerly Senac. 10/27/05; plans & 3/16/06 plans & 8/9/06; plans & Southlands Filing 14 5/22/2007 9/20/ /20/ S-65W Piney et al. Stream stab and Orchard Road crossing. 5/22/07; plans & Repair list 8/12/ /8/2002 2/12/ /20/ Sunrise East 10/7/ S-66W Annexation & initial zoning. 10/8/ Tollgate Crossing Phase 1 7/23/2002 4/10/2003 3/9/2006 8/20/ S-65W Upper Sand Creek OSP See also 3006 & /23/02: Framework amendment. 12/4/02; plans & 2/20/03; plans & 3/11/03; plans & Tollgate Crossing Phase 1 7/23/2002 4/10/2003 3/9/2006 8/20/ S-65W Upper Sand Creek OSP See also 3006 & /23/02: Framework amendment. 12/4/02; plans & 2/20/03; plans & 3/11/03; plans & 11/26/08 repair list. 8/20/2009 8/20/ Vistas at Senac 6/2/ S-65W Will conform to Aurora master plan 6/10/ Wheatlands 11/26/ Piney et al. 11/26/02: Contextual Site Plan. 11/25/2002 MUTCHIE CREEK 3103 Butterfield Trails (2) 2/25/ /24/ High Plains Country Club 1/2/ /21/2004 3/23/2006 8/27/ S-65W 1/2/02: Framework. 4/21/03: Filing no. 1 no problems. 5/4/04; plans & 10/18/04; plans & Minor revision coordinated thru . 8/27/07; final repair list issued. 8/27/ High Plains Country Club 1/5/2005 1/5/2005 3/23/2006 8/27/ S-65W Two CBCs and storm sewers and channel. 10/18/04; plans & 1/4/05; plans & 8/27/07; final repair list issued. 8/27/ High Plains Country Club Filing 3 2/15/2006 7/28/2008 7/28/2008 7/28/ S-65W One storm sewer outfall to existing GSB drop. 2/15/06; plans. 4/17/06; plans. After-the-fact plan approval, no letter. 7/28/2008 NO NAME CREEK 779 Hickory Ridge 1/25/1980 1/25/ S-66W 5

10 800 Seven Hills 34-4S-66W Started pre-1980 but alot has been done since then. Need to check w/ Aurora 197 Un-named Cr. from Tower Road 7/24/1984 7/24/ S-66W West Toll Gate Creek basin... PINEY CREEK 3333 Eagle Bend Filing 9 7/26/2005 7/26/ S-66W Two storm sewer outfalls. 4/19/05; plans & 7/26/05; plans, minor comments. 7/26/ Pine Ridge Ranch 9/29/ S-66W Piney Creek Zoning and Annexation only. Promontory Park (Pine Pointe) 3/27/ S-65W Piney Creek 8/1/86: Initial zoning as Pine Pointe. 3/27/98: GDP. 9/30/1987 3/27/ Saddle Rock Golf Club South 12/22/1993 6/22/ S-66W 5/22/ Saddle Rock Golf Club South 12/22/1993 6/22/ ,26-5S-66W Piney Creek 5/22/ Saddle Rock Golf Club South F 10 6/12/2009 9/4/ S-66W Piney Creek Piney Ck outfall Pond B. 9/4/2009 SABLE DITCH 1309 ATCO Intercept channel 1/5/ S-66W Grandby/Sable MP '91 Proposal would affect MP channel. SADDLE ROCK RANCHES GUL 3065 Eagle Bend Gardens 11/25/ S-66W Piney Creek Tribs 11/25/02: Detention Pond M shows up on the site plan. Asked for more info. 1/6/ /25/ Eagle Bend Gardens Filing 2 4/16/2013 4/22/ S-66W Piney Creek Tribs 3/6/13 ( Detention Pond M) comments, Medical Center of Aurora, 4/16 plans, comments 4/22/ Saddle Rock Golf Club South 12/22/1993 6/22/ S-66W Piney Creek Tributaries 5/22/97: 3/19/98: SP & FP. No const. Drwgs. Still not approved. See also Saddle Rock Golf Club South Filing 5 12/22/1993 4/2/ /15/ S-66W Piney Creek Tributaries See also 1415, 10/28/98: channel plans not approved, checking construction status. Rehab plans for failed original design 3/11/04; plans & 10/28/ /15/2004 SAMPSON GULCH 3178 High Plains Country Club 9/22/2003 9/22/2003 6/23/2008 7/20/ S-65W One storm sewer outfall. Project also in Douglas County. 7/20/ Promontory Park (Pine Pointe) 3/27/ ,31-5S-65W Piney Creek Tribs 8/1/86: Initial zoning as Pine Pointe. 3/27/98: GDP. 3/27/ Stage Run and 3 tribs. 7/14/ ,32-5S-65W 7/16/ Tallyn's Reach 6/26/2000 6/26/ ,32-5S-65W Regional water quality pond, exceeds one square mile limit, therefore ineligible 6/26/ Tallyn's Reach Filing 15 Unamed Tributary 6/22/2006 4/2/ /8/ /8/ S-65W /23/04: Site plan & plat. FP in open space with stream stabilization. 6/22/06 plans & 7/6/06; plans & Ties into Wispering Pines project Tallyn's Reach Filing 15 Tallyn's Gulch 6/22/2006 4/2/ /8/ /8/ S-65W /23/04: Site plan & plat. FP in open space with stream stabilization. 6/22/06 plans & 7/6/06; plans & Ties into Wispering Pines project Tallyn's Reach Filing 15 6/22/2006 4/2/ /8/ /8/ S-65W Piney Cr Tribs 6/23/04: Site plan & plat. FP in open space with stream stabilization. 6/22/06 plans & 7/6/06; plans & Ties into Wispering Pines project. 10/8/ /8/ /8/2014 6

11 3449 Tallyn's Reach Filing 15 Wetland Mit. 5/2/2007 5/2/ /31/ S-65W Wetland mitigation area at confluence of Tallyn's Gulch and Sampson Gulch. 12/31/ Tallyns Reach North Robinson Gulch 10/5/ S-65W 10/5/00: Framework plan. FP in open space. 10/5/ Walker 4/13/ S-65W Piney Creek Tribs 4/13/04: Annex and initial zoning. Whispering Pines 6/22/ /26/ ,32-5S-65W Piney Tribs OSP 6/22/05: CSP and drainage report. 12/7/05; plans & 6/14/06; plans & 9/05/06; plans & 4/13/ /26/ Whispering Pines 6/22/ /26/ S-65W 6/22/05: CSP and drainage report. 12/7/05; plans & 6/14/06; plans & 9/05/06; plans & 10/26/ Whispering Pines 6/22/ /26/ S-65W Piney Tribs OSP 6/22/05: CSP and drainage report. 12/7/05; plans & 6/14/06; plans & 9/05/06; plans & 10/26/ Whispering Pines 4/11/ S-65W 4/11/05: FDP. 4/11/ Whispering Pines 4/11/ S-65W Upper Piney OSP 4/11/05: FDP. Whispering Pines F3 8/21/ ,32-5S-65W Piney Tribs OSP Previously Approved Design MEP ID: Returned design comments on: 10/31/2014, 12/30/2014, 1/8/2015, 1/13/2015, 1/23/15, 5/26/15. 8/21/2015 5/26/2015: Still needs MSP for detention basin. 8/21/2015: Made modifications to avoid improvements on Holmberg property 4/11/2005 8/21/2015 SAND CREEK 978 Cottonwood Country Club 11/10/ S-66W Sand Creek Leaving floodplain open. 11/14/ Stapleton Filing 16 5/26/2005 5/26/ S-67W One grouted boulder outfall. 5/26/ Triple Creek Trail Connections 4,0,0-4S-66W; Sand Creek 0,0,0-- 1/7/2015: 2 trail crossings with sheet pile check structures down stream of each; Returned comments 1/7/ Waterstone 11/23/ S-65W Sand Creek 11/1/04: Annex, zone and FDP. 11/23/04; (1977) master drainage study proposing open floodway. 11/23/2004 SENAC CREEK 2870 Beacon Point Two 1/2/2002 9/27/ S-65W 1/2/02: Framework. 9/27/04: Landscape plans indicate elimination of open channels. 9/27/ Eastern Hills South 12/16/ S-65W Outside District. 1/9/ Southshore at Aurora Hunter Run 11/21/ S-65W Upper Sand Creek Basin OSP 11/21/01: Framework plan. Southshore at Aurora 11/21/ S-65W Upper Sand Creek 11/21/01: Framework plan. Basin OSP Southshore at Aurora 11/21/2001 8/4/2005 7/2/ ,28-5S-65W Upper Sand Creek 11/21/01: Framework plan. 4/13/05; Basin OSP plans & 7/18/05; channel plans & 11/21/ /21/2001 7/2/ Southshore F13 28,0,0-5S f Upper Sand Creek 65W; 0,0,0-- Basin OSP 4/21/14 Design review & comments 4/21/2014 7

12 TOLL GATE CREEK 3719 RTD I-225 Rail Line Area E 6,0,0-4S-66W; Toll Gate Creek 0,0,0-- and E Toll Gate Creek Project also in Adams County (3S 66W Sec 31; 3S 67W Sec 36) 04/17/2014 Review & Comments 4/17/ Shelter America 4/5/ S-66W 41 Toll Gate Creek Channelization 9/8/1987 9/8/ S-66W; 6-4S-66W 9/8/1987 WEST TOLL GATE CREEK 798 Alamosa 4/4/1983 8,17-4S-66W Proposed for park and open space. 8/31/ Aurora Alliance 5/2/ S-66W 790 Brock/Graham 5/26/ S-66W Rezoning only Colorado High School Activities Asso 3/31/ S-66W 2:1 riprap slope covered and grassed. Need to see how it works out. Mowing could be problem. Could OK later. 4/24/ Fox Hill 3/11/ S-66W 3/23/ Horseshoe Park 8/3/1987 8/3/1987 8/31/1990 8/31/ ,29-4S-66W WTGC between Buckley Rd & Mexico Ave. Low flow channel only. Wetland areas not included. 8/31/ Horseshoe Park Spillway 8/3/1987 8/3/1987 8/31/1990 8/31/ S-66W WTGC to Iliff. Low flow channel only. No wetlands. 8/31/ Meadowood Channel Spillway 7/23/ S-66W 190 Meadowood Channel Meadowood 10/18/ /18/ S-66W 785 Quincy Res. 8/8/ S-66W 980 Plaza at Aurora Mall Aurora Mall 12/6/ S-66W Putting draiangeway in conduit. 12/7/ Pride's Crossing un-named 6/7/1985 6/7/ S-66W Proposed long box culvert; Does not meet USDCM Pride's Crossing #11 12/6/ S-66W 12/7/ Spectrum Center Aurora Mall 3/15/1990 3/15/ S-66W Channel appparently constructed without maint. elig. determination. 3/15/ Summer Breeze 4/5/ S-66W No design subbmitted for review. 803 Toll Gate Villages 7/22/ S-66W 3644 Toll Ggate Ck Bridge/Pedestrian Brid 6/19/2013 6/19/ S-66W peds bridge, comments 9/21/12 6/19/ Victoria Place 3/7/ S-66W 199 W. Toll Gate u/s Hampden 8/24/1984 8/24/ S-66W 754 West Toll Gate Channel Park 8/27/ ,33-4S-66W Plat only. No drainage info provided. 10/9/ West Toll Gate Cr. Bank 1/27/ S-66W 2/2/ West Toll Gate Creek 6/6/1985 6/6/ S-66W Preliminary design report done Whitehaven 4/3/ S-66W Left bank only. Side slopes of fill area too steep. 8

13 WESTERLY CREEK 945 Eastbrook 6/27/ S-67W Never submitted to us. Learned about by 404 public notice. 6/27/ Riverbend Village un-named 3/3/ S-67W WINDMILL CREEK 2836 Windmill Reserve Filing 1 10/3/ /3/2001 8/2/2007 8/2/ S-66W Lone Tree et. al. OSP Channel improvements and three storm sewer outfalls. 8/2/ Legend Windmill Reserve Filing 2 6/15/2005 6/15/2005 7/9/2007 7/9/ S-66W Lonetree et al OSP Drainage improvements. Concept, design or construction approved as of the given date. Concept, design or construction reviewed but not approved as of the given date. Concept, design, construction or final eligibility not yet considered. Project not eligible for District maintenance assistance as of the given date. Project eligible for District maintenance assistance as of the given date. 7/17/2007 9