20220406-004a: Watershed Protection Department's work removing obstructions from creeks presentation

Environmental Commission – April 6, 2022

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N I T S U A F O Y T I C Watershed Protection Department’s work removing obstructions from creeks Chris Meyer, Julius Ochoa, and Ramesh Swaminathan, P.E. S e p t e m b e r 2 0 2 1 B r o w n B a g April 6, 2022 W A T E R S H E D P R O T E C T I O N D E P A R T M E N T 2 Overview • I n t r o d u c t i o n • D e p a r t m e n t B a c k g r o u n d • O b s t r u c t i o n s i n c r e e k s , c o n v e y a n c e , a n d f l o o d i n g • C h a l l e n g e s / O p p o r t u n i t i e s • Q u e s t i o n s N I T S U A F O Y T I C Watershed Protection Mission To protect lives, property, and the environment of our community by reducing the impact of flood, erosion, and water pollution. W A T E R S H E D P R O T E C T I O N D E P A R T M E N T WPD Updates 3 N I T S U A F O Y T I C W A T E R S H E D P R O T E C T I O N D E P A R T M E N T 4 N I T S U A F O Y T I C WPD Managed Assets • O v e r 1 2 0 0 m i l e s o f t h e s t o r m c o n v e y a n c e p i p e • O v e r 6 0 0 m i l e s o f e n g i n e e r e d c h a n n e l s • 1 0 8 3 ( + / - ) s t r e a m c r o s s i n g s • 1 1 0 0 S t r e a m C r o s s i n g ( i n c l u d e s F E M A c r o s s i n g s ) • 7 0 0 ( + / - ) F E M A c r o s s i n g s • O v e r 1 1 1 0 p u b l i c s t o r m w a t e r c o n t r o l s • J u s t u n d e r 9 0 0 0 p r i v a t e s t o r m w a t e r c o n t r o l s • N o . o f a s s e t s a r e i n c r e a s i n g w i t h t h e d e v e l o p m e n t W A T E R S H E D P R O T E C T I O N D E P A R T M E N T Universe of Issues 5 N I T S U A F O Y T I C • S t r u c t u r a l , Ya r d , • F l o o d i n g S t r e e t • C h a n n e l M a i n t e n a n c e • E r o s i o n , D e b r i s , Tr e e s , Ve g e t a t i o n • I n f r a s t r u c t u r e M a i n t e n a n c e • P o n d s , I n l e t s , P i p e s • S t o r m w a t e r C o n t r o l F e a t u r e s • Wa t e r Q u a l i t y C o m p l i a n c e W A T E R S H E D P R O T E C T I O N D E P A R T M E N T Community Engagement 6 • 3 1 1- S e r v i c e R e q u e s t • C i t i z e n C o m p l a i n t s N I T S U A F O Y T I C • M a y o r, C o u n c i l , B o a r d s a n d C o m m i s s i o n s • S p i l l s H o t l i n e ( 5 1 2 9 7 4 2 5 5 0 ) • O t h e r C i t y D e p a r t m e n t s • I n t e r s e c t i o n s w i t h C I P P r o g r a m s ( w i t h i n W P D a n d C i t y w i d e ) • C o m m u n i t y O r g a n i z a t i o n s ( G AVA , P O D E R , e t c . ) • H o t S p o t i n v e s t i g a t i o n s p o s t - s t o r m W A T E R S H E D P R O T E C T I O N D E P A R T M E N T 7 Storm Readiness • F i e l d Vi s i t s t o H o t S p o t L o c a t i o n s • A t t e n d t o O n C a l l a n d C a l l B a c k • F l o o d E a r l y Wa r n i n g S y s t e m s ( F E W S ) • M o n i t o r L o w Wa t e r C r o s s i n g • S p i l l s R e s p o n s e • 3 1 1 C a l l s d u r i n g s t o r m - F l o o d e d S t r e e t s N I T S U A F O Y T I C W A T E R S H E D P R O T E C T I O N D E P A R T M E N T 8 N I T S U A F O Y T I C W A T E R S H E D P R O T E C T I O N D E P A R T M E N T 9 2 5 W A T E R S H E D P R O T E C T I O N D E P A R T M E N T 3 CITYWIDE HOT SPOT LOCATIONS 1. East Bouldin, West Bouldin, and Blunn Creeks 2. Fort Branch 3. Tannehill, Boggy, Little Walnut Creek, and Fort Branch 4. Waller and Shoal 5. Williamson, Slaughter, and Boggy Creek N I T S U A F O Y T I C 1 4 10 Service Requests and investigations I n f r a s t r u c t u r e P o n d I n s p e c t i o n s Wa t e r Q u a l i t y I n s p e c t i o n a n d a n d D a m S a f e t y C o m p l i a n c e • R e s i d e n t i a l I n s p e c t i o n • S p i l l R e s p o n s e : Tw o a n d D a m S a f e t y Te a m s ( N o r t h a n d N I T S U A F O Y T I C E v a l u a t i o n S e r v i c e R e q u e s t s ( 3 1 1 , C i t i z e n s , M & C e t . a l ) • • 3 F T E S • C o m m e r c i a l I n s p e c t i o n S o u t h ) B a r t o n S p r i n g s Z o n e • 1 2 F T E S • • • O p e r a t i n g P e r m i t T P D E S M S 4 P e r m i t 1 4 F T E S W A T E R S H E D P R O T E C T I O N D E P A R T M E N T Infrastructure Service Requests (2017-2021) 11 N I T S U A F O Y T I C s t s e u q e R e c v r i e S f o r e b m u N 5,000 4,500 4,000 3,500 3,000 2,500 2,000 1,500 1,000 500 0 3,624 3,778 4,369 2,811 2,773 2017 2018 2019 2020 2021 Year W A T E R S H E D P R O T E C T I O N D E P A R T M E N T Infrastructure Service Requests (SR) 2021 12 2021 Channels/Creeks/Drainage Easement 995 Flooding Current (Non-Emergency) Creek & Pond Vegetation Control 767 764 Storm Drain Inlet Services 504 Lost Item in Storm Drainage System 343 S E P Y T R S Drainage Pond Maintenance 298 255 Flooding - Past Standing Water 170 Erosion Ditch/Driveway Pipe Services Storm Drain Pipe Services Watershed - GROW ZONES Town Lake Debris Issues 89 83 68 17 16 Blockages and Channel Debris 0 200 400 600 800 1,000 1,200 NUMBER OF SR'S W A T E R S H E D P R O T E C T I O N D E P A R T M E N T N I T S U A F O Y T I C Work Order Life Cycle 13 N I T S U A F O Y T I C 311 Service Request Field Investigation Standard Maintenance Engineering Evaluation Planning/Design Construction Prioritization W A T E R S H E D P R O T E C T I O N D E P A R T M E N T Work Order Prioritization 14 N I T S U A F O Y T I C W A T E R S H E D P R O T E C T I O N D E P A R T M E N T Work Order By Priority (2017-2021) N I T S U A F O Y T I C 600 500 400 300 200 100 0 480 471 365 346 407 328 343 312 189 125 81 69 67 50 50 22 1 94 96 4 15 2 17 10 2 9 14 4 1 2017 2018 2020 2021 priority 1 priority 2 priority 3 priority 4 priority 5 Total W A T E R S H E D P R O T E C T I O N D E P A R T M E N T 15 52 2019 SCM Inspections(2018-2021) 4031 2973 3503 16 4881 Year N I T S U A F O Y T I C s n o i t c e p s n I f o r e b m u N 6000 5000 4000 3000 2000 1000 0 FY18 FY19 FY20 FY21 City Maintained Stormwater Control Measure Privately Maintained Commercial Stormwater Control Measures in Barton Springs Zone Total Pond Inspections City Maintained Stormwater Cotrol Measure in Barton Springs Zone Privated Maintained Commercial Stormwater Control Measure W A T E R S H E D P R O T E C T I O N D E P A R T M E N T 17 Challenges/ Opportunities • C O V I D - 1 9 • C l i m a t e C h a n g e • A t l a s 1 4 • Te c h n o l o g y N I T S U A F O Y T I C • E n c a m p m e n t C l e a n u p s • R e c o n s i d e r i n g H o w We D o B u s i n e s s W A T E R S H E D P R O T E C T I O N D E P A R T M E N T 18 Thank you! N I T S U A F O Y T I C For Questions Reach Out To : Ramesh Swaminathan, P.E. Ramesh.Swaminathan@austintexas.gov 512-974-3541 office http://www.austintexas.gov/department/watershed-protection W A T E R S H E D P R O T E C T I O N D E P A R T M E N T