city of austin phase 1 ordinance (wpo) overview · city of austin phase 1 watershed protection...
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![Page 1: City of Austin Phase 1 Ordinance (WPO) Overview · City of Austin Phase 1 Watershed Protection Ordinance (WPO) Overview Environmental Board June 19, 2013. Presentation Overview](https://reader033.vdocument.in/reader033/viewer/2022060305/5f0967d47e708231d426aea7/html5/thumbnails/1.jpg)
City of AustinPhase 1
Watershed Protection Ordinance (WPO)Overview
Environmental BoardJune 19, 2013
City of AustinPhase 1
Watershed Protection Ordinance (WPO)Overview
Environmental BoardJune 19, 2013
![Page 2: City of Austin Phase 1 Ordinance (WPO) Overview · City of Austin Phase 1 Watershed Protection Ordinance (WPO) Overview Environmental Board June 19, 2013. Presentation Overview](https://reader033.vdocument.in/reader033/viewer/2022060305/5f0967d47e708231d426aea7/html5/thumbnails/2.jpg)
Presentation Overview
• Austin’s Creeks & Watershed Concerns
• Council Directive for WPO
• WPO Highlights
• Coordination with Imagine Austin
• Schedule/Next Steps
• Questions
WPO = Watershed Protection Ordinance
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BartonSpringsZone
BartonSpringsZone
WaterSupply
Suburban
WaterSupply
SuburbanWaterSupplyRural
WaterSupplyRural
UrbanUrban
SuburbanSuburban
WatershedClassificationsWatershedClassifications54% of Austin’s jurisdiction in Suburban Watersheds
54% of Austin’s jurisdiction in Suburban Watersheds
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UndevelopedLandUndevelopedLand
BartonSpringsZone
BartonSpringsZone
WaterSupply
Suburban
WaterSupply
SuburbanWaterSupplyRural
WaterSupplyRural
UrbanUrban
SuburbanSuburban
“Suburban” has 78% of Austin’s undeveloped land
“Suburban” has 78% of Austin’s undeveloped land
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Land in FloodplainLand in Floodplain
BartonSpringsZone9%
BartonSpringsZone9%
WaterSupply
Suburban4%
WaterSupply
Suburban4%
WaterSupplyRural5%
WaterSupplyRural5% Urban
6%Urban6%
Suburban16%
Suburban16%
Nearly 1 in 6 “Suburban” acres reside in 100‐year floodplain
Nearly 1 in 6 “Suburban” acres reside in 100‐year floodplain
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BartonSpringsZone
BartonSpringsZone
WaterSupply
Suburban
WaterSupply
SuburbanWaterSupplyRural
WaterSupplyRural
UrbanUrban
SuburbanSuburban
Highly ErodibleSoilsHighly ErodibleSoils“Suburban” area has extensive areas of highly erodible soils
“Suburban” area has extensive areas of highly erodible soils
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Turkey Creek (WS Rural)Turkey Creek (WS Rural) Barton Creek (BSZ)Barton Creek (BSZ)
EdwardsPlateauStreams
EdwardsPlateauStreams
Walnut Creek (Suburban)Walnut Creek (Suburban) Bull Creek (WS Suburban)Bull Creek (WS Suburban)
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Blackland PrairieStreamsBlackland PrairieStreams
Gilleland Trib (Suburban)Gilleland Trib (Suburban) Cedar Creek (Suburban)Cedar Creek (Suburban)
Wilbarger Trib (Suburban)Wilbarger Trib (Suburban) Wilbarger Main (Suburban)Wilbarger Main (Suburban)
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Headwaters Creeks in Austin’s Eastern EdgeHeadwaters Creeks in Austin’s Eastern Edge
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Headwaters Creeks in Austin’s Eastern EdgeHeadwaters Creeks in Austin’s Eastern Edge
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Boggy CreekBoggy Creek
Wastewater Collection System ProblemsWastewater Collection System Problems
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Urbanization: Channel Erosion & RepairUrbanization: Channel Erosion & Repair
BeforeBefore After (at ~$1,000/lin.ft.)After (at ~$1,000/lin.ft.)
BeforeBefore After (at ~$1,000/lin.ft.)After (at ~$1,000/lin.ft.)
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Key Themes Inspiring Council Action
• Importance of protecting riparian areas & floodplains
• Lessons learned in Austin & beyond: need best science
• Prevention is affordable; repairs are not
• Simplicity and complexity
• A sustainable future: green infrastructure; compact development; connectivity; health; water
• Balance environmental protection & development opportunity
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Council Resolution
1. Creek Protection
2. Floodplain Protection
3. Development Patterns & Greenways
4. Improved Stormwater Controls
5. Mitigation Options
6. Simplify Regulations & Maintain Opportunity
7. Coordinate with Regional Partners
(Resolution #20110113‐038)
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"Improve stream buffer requirements, including critical headwater areas, to protect water quality and reduce erosion, flooding, and long‐range costs for infrastructure maintenance."
Creek Protectio
n
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Current System - SuburbanMajor > 1,280 acresIntermediate 640 – 1,280 acresMinor 320 – 640 acres
45
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Proposed SystemMajor 640 – 1,280 acresIntermediate 320 – 640 acresMinor 64 – 320 acres
45
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100 50 0 ft
Proposed BuffersProposed Buffers