Restoring the San Antonio River      TWCA Fall Conference        October 25, 2012
The Alamo                                Mission Concepción    Photo Credit: opencontent                                  ...
3
Olmos DamBypassChannel
Channelized River         LEGEND     SACIP                                                                                ...
Includesrecirculationpumps toensureadequate flowthroughdowntown SanAntonio
PROJECTPARTNERS•Bexar County•City of San Antonio•San Antonio River Authority•San Antonio RiverFoundation•San Antonio River...
Project Benefits• Flood Damage Reduction –                            Project will  maintain or decrease the elevation of ...
Project Partners and Budget                                                          Presented in millions of dollars     ...
Museum Reach
Mission Reach: Project Limits      • 8 mile ecosystem        restoration and        recreation project      • Restoring ri...
Mission Reach Project                                               Budget                                      In Million...
Pre-Channelization   2008 Channel
1954 USACE Authorized        Channelization
MigratoryFlywaysof NorthAmerica:CentralFlyway            Image: Texas Parks & Wildlife
Monarch Butterfly   Migration
Site Hydrology1. Upper gage (SAR at Mitchell St.)   • Flow max:    14,300 cfs   • Height max: 12.94 feet2. Lower gage (SAR...
Ecoregions of San Antonio, Bexar County and Surrounding Areas                              Edwards Plateau• Blackland Prai...
Project Elements:Recreational Features• 15+ miles of hike/bike  trails• 8 street connections• 89 benches• 137 picnic table...
ProjectElements: Mission Portals
Project Elements:Formal Landscapes • Street Connections • Mission Portals • Pocket Parks & Plazas
ProjectElements:Restoration Plantings
Mission Reach Ecosystem                  Restoration Existing River Channel                          Proposed River Channe...
Restoring Aquatic Habitat            Features•   8 miles river length•   ~113 acres•   Riffles, runs & pools•   ~13 acres ...
Restoring Riparian Woodland• ~334 acres• Herbaceous Groundcover:   • 60+ native grass & wildflower species   • Over 10,000...
RestoringTrees & Shrubs over 23,000                 Draft Tree Planting Plans
Representation of 25 Year Progression
Mission Reach: Phase 1• ~1 mile section• “Soft Opening” Dec 2010• Grand Opening June 25,  2011• SARA O&M• ~3,000 trees/shr...
Mission Reach: Phase 2• ~ 1 mile section• Grand Opening June 25,  2011• SARA: all non-vegetation  O&M• Contractor: vegetat...
Mission Reach: Phase 3• ~ 6 mile section• First segment opened  June 2012• Second segment opening  October 27, 2012• Third...
Operations & Maintenance: Balancing Storm Water Conveyance, Habitat Restoration and Recreational Uses
General O&M Task Prioritization1. Safety2. Structural failures3. Impediments to recreational uses,   particularly trails (...
Landscape Scale Ecosystem Restoration                   is a  Slow Process & Land Management is       Critical to Achieve ...
General Vegetation    Management and Monitoring•    Keep the good areas good•    Reduce invasive non-natives•    Encourage...
Plant communities changeover time and managementmust adapt to changes •   Seasons •   Weather conditions •   Plant success...
Plant Community DynamicsSpring Wildflowers   Fall Grasses
Plant Community DynamicsMay 2009      May 2010
O&M Challenges•   Weather•   Urban storm water runoff•   Access for equipment•   Ongoing/new projects•   Good & bad plants...
Vegetation – 299 species documentedHerbaceous: 213 species          Woody: 86 species  • native: 165 (77%)            • na...
44
GOVERNMENT ANDCOMMUNITY COLLABORATION
San Antonio River   Oversight Committee        (SAROC)• 22 member citizen’s oversight  committee formed in 1998• Co-Chairs...
Educational Outreach
Community Events
MISSION REACH –LEADING THE NATION IN URBAN  ECOSYSTEM RESTORATION
SAN ANTONIO RIVERIMPROVEMENTS PROJECT    For More Information:         Steven Schauer          210-302-3644      sschauer@...
Mission Reach - Restoring the San Antonio River
Mission Reach - Restoring the San Antonio River
Mission Reach - Restoring the San Antonio River
Mission Reach - Restoring the San Antonio River
Mission Reach - Restoring the San Antonio River
Mission Reach - Restoring the San Antonio River
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Mission Reach - Restoring the San Antonio River

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Presented at the TWCA Fall Conference 2012 www.twca.org

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  • 35-acres of native riparian habitat Approximately 3900 trees  720 live aquatic plants 270 live vines to be planted Pedestrian trail along the entire 1.2 miles In-stream pedestrian footbridges (capable of carrying emergency equipment) Picnic tables, benches, trash receptacles, drinking fountains, and trail signage.
  • 35-acres of native riparian habitat Approximately 3900 trees  720 live aquatic plants 270 live vines to be planted Pedestrian trail along the entire 1.2 miles In-stream pedestrian footbridges (capable of carrying emergency equipment) Picnic tables, benches, trash receptacles, drinking fountains, and trail signage.
  • 35-acres of native riparian habitat Approximately 3900 trees  720 live aquatic plants 270 live vines to be planted Pedestrian trail along the entire 1.2 miles In-stream pedestrian footbridges (capable of carrying emergency equipment) Picnic tables, benches, trash receptacles, drinking fountains, and trail signage.
  • Mission Reach - Restoring the San Antonio River

    1. 1. Restoring the San Antonio River TWCA Fall Conference October 25, 2012
    2. 2. The Alamo Mission Concepción Photo Credit: opencontent Mission San José Mission San Juan Mission Espada
    3. 3. 3
    4. 4. Olmos DamBypassChannel
    5. 5. Channelized River LEGEND SACIP HEAD WATERS K CREE ORIGINAL ALIGNMENT SOUTH OF DOWNTOWN HILDEBRAND AVE. TRIBUTARY N 281 Z TINE W E MAR LE S XI NG AL TO AZ AN 81 35 N AV E. CREEK AP DOWNTOWN AC SAN ANTONIO HE CREEK NU EV AS T. O DR CREEK PE N SA T.90 OS AM 90 AL 10 10 MISSION CONCEPCION SA N 281 AN TO NI 81 MISSION O 37 SAN JOSE 35 RI VE R MISSION SAN JUAN 410 ESPADA MISSION 6
    6. 6. Includesrecirculationpumps toensureadequate flowthroughdowntown SanAntonio
    7. 7. PROJECTPARTNERS•Bexar County•City of San Antonio•San Antonio River Authority•San Antonio RiverFoundation•San Antonio River OversightCommittee•U.S. Army Corps ofEngineers
    8. 8. Project Benefits• Flood Damage Reduction – Project will maintain or decrease the elevation of the 100 year floodplain.• Ecosystem Restoration – The changes proposed will increase water quality and the quantity and diversity of plant and animal species.• Quality of Life – Add to San Antonio’s unique charm and make the city more attractive to residents, visitors, and businesses and provide enhanced recreational opportunities along an expanded linear park system.• Cultural Connections – Linking people, neighborhoods and cultural resources and celebrating the historical connection of the river to four of the five historic missions in the San Antonio Missions National Historical Park.• Economic Development – Promote business development along and adjacent to the river. Improvements will also enhance tourism.
    9. 9. Project Partners and Budget Presented in millions of dollars Total City County Private SAWS USACE FundsConcept Design $1.0 $0.3 $0.7 - - -Downtown Reach $13.3 $2.4 $10.9 - - -Eagleland $13.6 $6.2 $4.8 - - $2.6Museum Reach $12.6 $11 $1.6 - - - ParkMuseum Reach $72.1 $52.3 $13.1 $6.5 $0.2 - UrbanMission Reach $245.7 $6.5 $176.6 $4.7 $6.0 $51.9TOTAL $358.3 $78.7 $207.7 $11.2 $6.2 $54.5 San Antonio River Authority (SARA) committed to Operation and Maintenance as construction phases are completed.
    10. 10. Museum Reach
    11. 11. Mission Reach: Project Limits • 8 mile ecosystem restoration and recreation project • Restoring river previously channelized by U.S. Army Corps of Engineers for flood control
    12. 12. Mission Reach Project Budget In Millions of Dollars Total Bexar Bexar City SAWS Private USACE County County Visitor TaxMission $245.7 $75.6 $39.7 $6.5 $6.0 $4.7 $51.9Reach + $61.3Project $101 totalEnergy and Water Development and Related Agencies Appropriations Act, 2009: The non-Federal interest for the project may carry out design and construction work on the project inadvance of Federal appropriations or may provide funds directly to the Secretary for the Secretaryto carry out such work; Provided, That the Secretary of the Army shall reimburse the non-Federalinterest for any costs incurred by the non-Federal interest that are in excess of the non-Federalshare of total costs subject to the availability of appropriations.In addition to the $115.3 million of Bexar County Flood Tax and Visitor Tax identified above, BexarCounty is contributing another $61.3 million to advance federal funding to keep the project on theoptimum schedule. Bexar County’s total contribution to the project is $176.6 million.San Antonio River Authority is committed to Operation and Maintenance as construction phasesare completed.
    13. 13. Pre-Channelization 2008 Channel
    14. 14. 1954 USACE Authorized Channelization
    15. 15. MigratoryFlywaysof NorthAmerica:CentralFlyway Image: Texas Parks & Wildlife
    16. 16. Monarch Butterfly Migration
    17. 17. Site Hydrology1. Upper gage (SAR at Mitchell St.) • Flow max: 14,300 cfs • Height max: 12.94 feet2. Lower gage (SAR at Loop 410) • Flow max: 79,400 cfs • Height max: 32.57 feet3. Overall range: 10 - 100,000 cfs
    18. 18. Ecoregions of San Antonio, Bexar County and Surrounding Areas Edwards Plateau• Blackland Prairie• Edwards Plateau Blackland Prairie• South Texas South Plains Texas Plains Post Oak Savanna• Post Oak Savanna
    19. 19. Project Elements:Recreational Features• 15+ miles of hike/bike trails• 8 street connections• 89 benches• 137 picnic tables• 5 overlooks with shade structures• 9 water edge landings• 6 foot bridges• 4 pavilions
    20. 20. ProjectElements: Mission Portals
    21. 21. Project Elements:Formal Landscapes • Street Connections • Mission Portals • Pocket Parks & Plazas
    22. 22. ProjectElements:Restoration Plantings
    23. 23. Mission Reach Ecosystem Restoration Existing River Channel Proposed River Channel Existing ProposedRiverine System Rating = 1.2* Riverine System Rating = 8.2* * Per USACE study; based on scale with 1 as extremely degraded and 10 as pristine; proposed condition rating is at 50 year maturity period
    24. 24. Restoring Aquatic Habitat Features• 8 miles river length• ~113 acres• Riffles, runs & pools• ~13 acres embayments (marshes)• 2 river remnants restored• Aquatic plants: • 20 species • Emergent, submersed & floating leaved
    25. 25. Restoring Riparian Woodland• ~334 acres• Herbaceous Groundcover: • 60+ native grass & wildflower species • Over 10,000 pounds of seed• Woody Plants: • 44 native tree & shrub species • 23,000+ young trees & shrubs
    26. 26. RestoringTrees & Shrubs over 23,000 Draft Tree Planting Plans
    27. 27. Representation of 25 Year Progression
    28. 28. Mission Reach: Phase 1• ~1 mile section• “Soft Opening” Dec 2010• Grand Opening June 25, 2011• SARA O&M• ~3,000 trees/shrubs planted Dec 2011, survivorship monitoring Spring 2013
    29. 29. Mission Reach: Phase 2• ~ 1 mile section• Grand Opening June 25, 2011• SARA: all non-vegetation O&M• Contractor: vegetation management to meet performance criteria• ~ 2,000 trees/shrubs to be planted Nov-Dec 2012
    30. 30. Mission Reach: Phase 3• ~ 6 mile section• First segment opened June 2012• Second segment opening October 27, 2012• Third segment opening Spring 2013• Final segment opening by Fall 2013• ~18,000 trees/shrubs to be planted in 2014 and 2015
    31. 31. Operations & Maintenance: Balancing Storm Water Conveyance, Habitat Restoration and Recreational Uses
    32. 32. General O&M Task Prioritization1. Safety2. Structural failures3. Impediments to recreational uses, particularly trails (e.g. fallen trees on the trail)4. Vandalism, particularly highly visible areas5. Routine activities (e.g. vegetation maintenance, litter, etc.)
    33. 33. Landscape Scale Ecosystem Restoration is a Slow Process & Land Management is Critical to Achieve Goals Year 1 Representation Year 25 Representation
    34. 34. General Vegetation Management and Monitoring• Keep the good areas good• Reduce invasive non-natives• Encourage increased coverage by natives• Replant as needed and feasible• Maintain native species diversity
    35. 35. Plant communities changeover time and managementmust adapt to changes • Seasons • Weather conditions • Plant succession • Disturbances
    36. 36. Plant Community DynamicsSpring Wildflowers Fall Grasses
    37. 37. Plant Community DynamicsMay 2009 May 2010
    38. 38. O&M Challenges• Weather• Urban storm water runoff• Access for equipment• Ongoing/new projects• Good & bad plants together• Bad plants providing benefits• Pet & yard waste• Pedestrian traffic•
    39. 39. Vegetation – 299 species documentedHerbaceous: 213 species Woody: 86 species • native: 165 (77%) • native: 73 (85%) • planted: 93 • planted: 55 • volunteer & existing: 90 • volunteer & existing: 44 • non-native: 48 (23%) • non-native: 13 (15%)
    40. 40. 44
    41. 41. GOVERNMENT ANDCOMMUNITY COLLABORATION
    42. 42. San Antonio River Oversight Committee (SAROC)• 22 member citizen’s oversight committee formed in 1998• Co-Chairs Lila Cockrell (former mayor) and Irby Hightower (architect)• Remaining 20 seats filled by participating groups/organizations• Museum Reach, Eagleland and Mission Reach Committees – Park, Urban and River South sub- committees
    43. 43. Educational Outreach
    44. 44. Community Events
    45. 45. MISSION REACH –LEADING THE NATION IN URBAN ECOSYSTEM RESTORATION
    46. 46. SAN ANTONIO RIVERIMPROVEMENTS PROJECT For More Information: Steven Schauer 210-302-3644 sschauer@sara-tx.org Lee Marlowe 210-302-3624 lmarlowe@sara-tx.org www.sanantonioriver.org www.sara-tx.org

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