RELOCATE CANAL

WETLANDS HERBACEOUS WETLAND PROPOSED GLOBEVILLE LANDING HERBACEOUS WETLAND RELOCATE 78” SS PARK OUTFALL CHANNEL 33RD OUTFALL

HERBACEOUS WETLANDS NEW TOP OF BANK RELOCATE SS INTERCEPTOR NEW TOP OF BANK HERBACEOUS WETLAND PROPOSED CSU WATER RESOURCE CENTER

WETLANDS AT RELOCATE SS INTERCEPTOR RINGSBY COURT RE-ALIGN OUTFALL PIPE OPEN CHANNEL WETLANDS

PROPOSED BRIDGES RANDOM BOULDERS LOWER HERBACEOUS WETLAND NEW TOP OF BANK FOR FISH

NEW LEVEE

VM HERBACEOUS EA WETLANDS WETLANDS/RIPARIAN ND ER WETLAND P OO L, TIE TO EXISTING RIVERBED RI NEW TOP OF BANK, FF LE , D RELOCATE 48” SS R O P 3’ DROP FOR POOL, RIFFLES AND 72” SS S ( E REGRADE POINT FOR X TO TIE TO EXISTING RIVERBED T E N FLOOD CONVEYANCE D TOP OF BANK EX IST ING DROP FISH PASSAGE CHANNEL ) EXTEND WHITEWATER NEW TOP OF BANK WATER QUALITY POND AND IMPROVED ACCESS POINTS RELOCATED WETLANDS AT (3) OUTFALLS EXISTING 48” SS

NEW LOW-FLOW CHANNEL (EXCAVATED) 40-45’ EXISTING DAM REPLACED BOTTOM WIDTH, CHANNEL TOP WIDTH ≤75’ WITH FLASHBOARDS NEW TOP OF BANK

RELOCATE TROLLEY TRACKS WETLAND/RIPARIAN WETLAND/RIPARIAN

LEGEND River

Upland Riparian

Wetland

Area Of River Widening

Low-Flow Channel

Wall

New Top of Bank

SOUTH PLATTE RIVER - URBAN WATERWAYS RESTORATION STUDY Maximum Alternative - York Street to 6th Avenue January 20, 2016 0’ 300’ 600’ PROPOSED GLOBEVILLE LANDING PARK OUTFALL CHANNEL WALL TO OFFSET TOE STABILIZATION LEAVE EXISTING BENCH

WALL

LOWER HERBACEOUS WETLAND 3:1 TOE LOWER EXISTING BENCHES 3:1 TOE TO CREATE HERBACEOUS WETLANDS 3:1 TOE

OUTFALL WETLAND AREA WALL

HERBACEOUS WETLANDS/RIPARIAN 3:1 TOE WETLANDS ADD WETLAND VEGETATION OPEN CHANNEL LOWER BENCH WETLANDS PROPOSED BRIDGES

WALL LOWER TO WETLAND ELEVATION

3’ DROP FOR RIFFLES, POOLS LOWER TO TO TIE TO EXISTING RIVER BED WETLAND END CHANNEL LOWERING ELEVATION REGRADE POINT FOR FLOOD CONVEYANCE WHITE WATER M EAN DER P OOL, RIFFL FISH PASSAGE CHANNEL E, DROPS (EXTEND EXISTING DROP) RESTORED WETLAND

WATER QUALITY PONDS AND ADD VEGETATION, LOWER WETLANDS AT OUTFALL TO WETLAND ELEVATION

LOWER CHANNEL 40-50’ BW

REPLACE FIXED DAM ADD HERBACEOUS BENCH WITH FLASHBOARD

NEW LOW-FLOW CHANNEL (EXCAVATED) 40-45’ BW

LEGEND River

Upland Riparian

Wetland

Area Of River Widening

Low-Flow Channel

Wall

New Top of Bank

SOUTH PLATTE RIVER - URBAN WATERWAYS RESTORATION STUDY Minimum Alternative - York Street to 6th Avenue January 20, 2016 0’ 300’ 600’ F 1

Burlington Canal Diversion 48

108/72 48 Riverside 1 Possible Removal 54 of Arkins Ct

8 O

38th Street System System Street 38th 54 18 12 13 2-Way Street, Parallel Parking One Side

96 B 10 90 2 D 30 11 31 P 5

P Brighton Boulevard Improvements Western National

C Improvements Western National 6 7 4 18

Brighton Boulevard Proposed Promenade Outfall Ave 7th W National Western Improvements Improvements Western National C 14 A 5 9

Brighton Boulevard 48 5 72/48 7 132/48 P Taxi Community Garden 15 4 I-70 (public) P N

156/66 Possible Ringsby Ct Realignment N

4 Outfall Place Mulberry W

2 9 29

W Mulberry Place Outfall *No Size Listed Size *No Outfall Place Mulberry W

W Mulberry Place Outfall Outfall Place Mulberry W

72/36

120/42 48th Ave Project B B Project Ave 48th 48th Ave Project A A Project Ave 48th 3 6 8

10 W 8th Ave Outfall Outfall Ave 8th W

96 4 P 120/48 P H

W Colfax Ave Improvements W 18th Ave Outfall 27 Fox St Outfall 26 L 28 60 25 9

66 3 P

51st Ave Collection System K

18

J 18 P 19 W Colfax Ave Improvements 84 or 132/84 100-yr Alt.

W ColfaxAve Improvements J 16 17 F P P G P 21 Fairview School Community 144/72 G Garden (public) Family Crisis Center Northwest Subarea Interceptor 100-yr Option Community Garden 114 P (private) 34th Ave and Lipan St 24 22 19th Ave Outfall

20 L 20th Ave Outfall

48

23rd Ave Outfall 23

96 I

7th St Outfall 84 Neighborhood Plan 30 Opportunities Constraints Recommendations Neighborhood plans within Adams County have not been A reviewed at this time. National Western Complex Globeville Landing Park City of Cuernavaca Park Platte Valley Trolley Tracks • Wetlands at Riverside Cemetery is The 2015 Elyria & Swansea Neighbrhoods Plan recommends 1 • Proposed development to the National Western Complex 8 • Proposed re-development of the park includes 16 • The existing South Platte River’s slope is 24 • Due to recent changes in ownership of 1 constrained by the Burlington Canal. B improving physical access at Globeville Landing Park presents many opportunities along the South Platte River, planned 100-year channel through the park by the most significant in this stretch. the trolley tracks, there is a potential for including 10 acres of new open space along the river’s edge. • Potential to regrade the river to provide for relocation. daylighting an existing stormwater outfall and • The South Platte River has minimal flow The 2015 Elyria & Swansea Neighbrhoods Plan identified • Potential to re-grade the river bank. C • Potential for district or regional scale water quality treatment river restoration, additional trails for access and in-river recreational opportunities. 2 much of the year due to the Burlington several gateways along the South Platte River facility along the river’s edge, Net Zero goals for water at full build potential to integrate access and river restoration. • The potential for stormwater treatment Potential to reduce flood spill. Canal Diversion. out will lead to district or regional scale water quality solutions. • Potential to coordinate efforts with design team. exists due to the multiple large outfalls that The 2003 River North Plan recommends the vacation of Arkins • Consolidation of rail lines to location shown on drawing. daylight in the park adjacent to the South D Court in some locations to make way for new development with 13th & Zuni . Heron Pond/Heller Open Space • Water quality requirements are met if the planned berm gets Platte River. a direct connection to the river and the addition of open space. 25 • Private developer is interested in connecting • Limited opportunity for pond expansion due constructed to cover the existing metro sanitary sewer lines. Ready Mixed Batch Plant 3 9 • Property will be developed. proposed development to the river. to contamination. • Potential to coordinate efforts with design team. E The 2009 38th and Blake Station Area Plan suggests that • Potential to coordinate efforts with design 20th Street Viaduct • Possible east river edge trail extension. future development of the area will emphasize its industrial team. 17 • Opportunity for new low-gradient riffles for Sewer Line heritage, historic neighborhoods, and ensure access and aquatic habitat. 4 • Existing sanitary sewer line running adjacent to provide enhancements to the Platte River greenway. 2 Northside Park & Heron Pond Zuni Power Plant and Substation the South Platte River. • Existing park adjacent to the South Platte River Arkins Court Promenade 26 • Potential for land acquisition if the existing F The 2007 Denver Downtown Area Plan identifies multiple • Potential to regrade the river bank. 10 • Proposed modifications to Arkins Ct. connection points to cross the South Platte River. Commons Park facilities relocate in the future Numerous Bridges include re-routing the road and creating a 18 • Existing park adjacent to the South Platte River • Possible east river trail extension 5 • Constraints for future river modifications. pedestrian only promenade from 33rd St. to The 2007 Denver Downtown Area Plan identifies the South Heller Open Space • Potential to regrade the river to provide for • With timing and proper coordination the G 38th/Washington Street. Platte River as a major amenity for the City. 3 • Opportunity to daylight existing 96” stormsewer in-river recreational opportunities. proposed bridges can be designed to • The potential for stormwater treatment pipe and connect to the South Platte River Sun Valley Park accommodate future river modifications. H The 1991 Central Platte Valley Comprehensive Plan through an open channel. Future Pedestrian Bridge exists due to the multiple large outfalls that 27 • Future 8-acre park planned along the South Amendment recognizes the South Platte River and Cherry • Potential for expansion of existing park areas. 11 • Opportunity to increase access to and daylight in the park adjacent to the South Platte River. Proposed North Metro Rail Bridge Creek as foci of the open space system. across the South Platte River. Platte River. • Potential to coordinate efforts with design 6 Emerson Street Parcel team I The 2005 Jefferson Park Neighborhood Plan recognizes that it Legend 4 • Property acquisition, preserve edge to river is a strength for the Cultural/Educational Facility District to be Confluence Park Ringsby Court adjacent to the South Platte River. OPPORTUNITIES LEGEND and park, and sell remaining parcel for River North Park 19 • Existing park adjacent to the South Platte 7 • Existing Ringsby Court to remain. RTD Light Rail Station (Proposed) redevelopment. Weir Gulch Marina Park River Corridor Access 12 • Proposed River North Park promotes greater River. 28 • Existing park that connects to the river • It is unlikely that access to the river or additional The 2007 Denver Downtown Area Plan identifies multiple RTD Light Rail Station (Existing) • Potential to coordinate efforts with design team. J river access and bio-diversity. • Proposed improvements include improved • Trail improvements needed to connect Weir available land will occur in this area in the near future. connection points to cross the South Platte River. RTD Bus Stop Water Access • Potential to coordinate efforts with design team. access to the river. Trail to the south Neighborhood Boundary Proposed CSU Water Resource • Improved white water recreation. Proposed North Metro Rail Bridge K Zuni & Lower Colfax Area is a Catalytic Site in the 2013 South Existing Levee 5 Center/ National Western Complex 8 Platte Corridor Study. In Stream and Riparian Habitat 33rd Street Outfall Parking Lot At 7th & Alcott Existing Trolley Tracks • Potential to coordinate efforts with CSU’s Water (ie. Riffles, Point Bars or Benches) 13 • Potential to incorporate water quality treatment at Fishback Park 29 • Existing parking lot underused The 2010 La Alma/Lincoln Park Neighborhood Plan calls for Bridge Existing (P=Pedestrian Bridge) Resource Center and their future planned programs. 20 • Existing park adjacent to the South Platte L the proposed 33rd Street outfall. • Potential for land acquisition Railroad Yard the 13th Avenue bike lane as a critical element to improving Bridge Proposed (P=Pedestrian Bridge) • Existing edges adjacent to railroad yards Upland Habitat • Potential to coordinate efforts with design team. River. 9 connectivity to the Platte River Trail. Community Garden Washington Street Redevelopment • Potential to re-grade the river bank. are minimal. Riverfront Development 6 • Globeville Neighborhood Plan identifies the area Denver Water’s “One Building” • It is unlikely that access to the river or M The 2010 La Alma/Lincoln Park Neighborhood Plan calls for CITY OF DENVER DESIGNATED BIKE ROUTES Arkins Court 30 additional available land will occur in this Off-Street Regional Bike Route between Washington Street and the South Platte 14 Stormwater Treatment Facility • Future site of Denver Water administration improved access and enhanced trail connections to the South River as a redevelopment opportunity. • Proposed development between Arkins 21 • Proposed detention basin with bioretention building. area in the near future. Platte River. Water Quality On-Street / Sharrow / Sidewalk Bike Route • Modifications to the existing levee in this area Ct. and Brighton Boulevard, provides the to intercept an existing 48” storm pipe. • Possibility that building would produce send have the potential to reduce flood risk. potential to realign Arkins Ct. • Potential to coordinate efforts with design minimal amounts of additional water into the Lincoln Park Light Industrial Zone N The 1991 Valverde Neighborhood Plan recognizes that the Flood Risk Reduction STORMWATER EXISTING AND PROPOSED CONDITIONS neighborhood’s namesake is “green valley” due to its proximity • Potential for district or regional scale water • Potential for Arkins Ct. to become narrower team. South Platte River during the dry season. 10 • Isolated area of light industrial is likely to 0”-24” Existing Stormwater Outfalls quality treatment facility along the river’s edge and slightly shift to the east. remain to the South Platte River and the neighborhood would like to 24”-48” Existing Stormwater Outfalls • Potential to relocate sanitary sewer for multiple strengthen its relationship to the river. >48” Existing Stormwater Outfalls Elitch Gardens benefits. Delgany/Denargo Development Frog Hollow Park/CDOT EDB Proposed Water Quality Treatment Areas 22 • There is redevelopment potential along the 31 The 2003 Baker Neighborhood Plan Wish List of Neighborhood 15 • Proposed improvements to the Delgany • Existing narrow park with steep slopes and O Approximate Location of the river’s edge of the Elitch Gardens’ property. a new 23’ wide trail Projects: Building better connections from the residential Proposed Outfall Name Size Existing Levee System Interceptor and potential pocket park/open Proposed Outfalls Based on • Potential to regrade existing park neighborhood to the South Platte River, especially the 7 • Opportunity to reduce floodplain. space to connect to river. greenway on the west side. This may include pedestrian and the Denver Storm Drainage Crescent Park • Potential to coordinate efforts with design team. bicycle bridges over I-25 and the river. Master Plan (Sept. 2014) 23 • Existing park adjacent to the South Platte River. • Potential to re-grade the river bank. SOUTH PLATTE RIVER - URBAN WATERWAYS RESTORATION STUDY Opportunities and Constraints - York Street to 6th Avenue January 20, 2016 0’ 300’ 600’