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Pierce County Watershed Health Trends 2012
 

Pierce County Watershed Health Trends 2012

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Presentation Given By Dan Wrye and Corrie Smith, Pierce County Surface Water Management

Presentation Given By Dan Wrye and Corrie Smith, Pierce County Surface Water Management

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    Pierce County Watershed Health Trends 2012 Pierce County Watershed Health Trends 2012 Presentation Transcript

    • PIERCE COUNTY WATERSHED HEALTH TRENDS
    • Two  Programs   •  Watershed  Health  Status  and  Trends   –  Annual  program  plan   –  Assess  progress  towards  healthy  watersheds   •  NPDES  Municipal  Stormwater  Permit   –  2007  to  2013  separate  program   –  2013  permit  –  monitoring  more  like  our  internal   program  
    •  Water  Year  2013   •  Monthly  Water  Quality   Sampling  –  53  streams   •  Biological  Sampling  (AquaJc   Insects)  –  32  streams   •  Annual  Water  Quality   Report  Card   •  Raise  the  Grade  -­‐  4   waterbodies  (Minter,   Spanaway,  Swan,  Horn)   •  Shellfish  bacteria  –  Filucy,   Burley,  Rocky   Weather  StaJons  –  20   Water  level  loggers  -­‐  15   Groundwater  wells  –  11   NPDES  Municipal   Stormwater  Monitoring  –   11  staJons   •  NPDES  Drainage    Inventory   (GIS)   •  •  •  • 
    • Freshwater  Streams   Monthly  Water  Quality  Monitoring   Phosphorus  &   Nitrogen   Total  Suspended   Solids   Turbidity   Fecal  coliform   bacteria   Dissolved  Oxygen   pH   Temperature   ConducJvity   Parameters  are  used  to   calculate  annual  Water   Quality  Index  (WQI).     WQI  Scores  1-­‐100   ≥80  lowest   concern   40  –  80  marginal   concern   <40    highest   concern  
    • Biological  Monitoring  (≤  every  5  years)   •  Sample  benthic  macro-­‐invertebrates  (stream   bugs)   •  Good  indicators  of  the  biological  health  of   streams  -­‐  look  at  a  number  of  metrics   •  Rotate  though  51  streams,  fixed  locaJon;   sampled  randomly  but  at  least  once  every  5  yrs.   Sampled  32  streams  in   2013  with  help  from     PCD  &  Nisqually  Tribe  
    • Assessment  of  Biological  Data   •  •  •  10  metrics  used  to  calculate   Benthic    Index  of  BioJc  Integrity   (B-­‐IBI)     Unit  less  number  from  10  (poor)   to  50  (healthy)   Data,  metrics,  results:   www.pugetsoundstreambenthos.org   •    Repository  of  data  from  many   jurisdicJons    in  Puget  Sound  –  look  under      Pierce  County  -­‐    Watershed   Health  Monitoring  
    • WY  2012  Monitored  Lakes   American Lake Carp Lake Gravelly Lake Louise Lake Spanaway Lake Lake Steilacoom Wapato Lake Waughop Lake
    • Lake  Health  Parameters   Results are in annual Water Quality Report Card
    • Weather  StaNons   • 20 Hobo U30 weather stations throughout Pierce County • Variable weather/microclimates • Use site specific data for projects • Monitor temperature, humidity, wind speed, wind direction, and rainfall • Data is automatically transmitted to HoboLink.com. View from PC PW&U website… www.co.pierce.wa.us/index.aspx?NID=3024 • Easy retrieval from your desktop, laptop or smart device
    • Piercecountywa.org/weather  
    • Shellfish  Monitoring   •  Test  runoff  flowing  into   sensiJve  shellfish  growing   areas.   •  Test  3-­‐4  Jmes/year  during   rain  events   •  “High  hits”  go  to  our  IDDE   secJon   •  Burley  Lagoon  –  18  sites   •  Filucy  Bay  –  15  sites   •  Rocky  Bay  –  3  sites    
    • To  access  data:     Surface  Water  Management  Web  Portal   1.  www.piercecountywa.org/ watershedhealthdata 2.  Click “Access the data portal” 3.  Select “Subject Data to Review” 4.  Click “Water Quality Data” Lakes Major rivers WQ – USGS Shellfish sites Streams Wells Flow data – USGS Weather Stations
    • Water  Quality  Monitoring  Results   Blue = Good Yellow = Moderate Red = Poor
    • Surface  Water  Health  Report  Card  –  WY  2012   •  www.piercecountywa.org/wqws   •  Assigns  “grades”  to  44  streams  in   Pierce  County  where  both  WQI   and  BIBI  data  are  available   •  Grades  are  based  on  average  of   WQI  and  BIBI,  adjusted  if  on  2008   Clean  Water  Act  303(d)  list  of   impaired  waters  
    • WY  2012  Puyallup  WS  Report  Card  Sites  -­‐  14     Canyon Canyon Falls Clarks Clear Diru Fennel Fiske Kapowsin Rody Spiketon Squally Swan Voights Wilkeson
    • WY  2012  KGI  Report  Card  Sites  -­‐  18   •  •  •  •  •  •  •  •  •  •  •  •  •  •  •  •  •  Artondale   Crescent   Dutchers   Goodnough   Herron   Huge   Liile  Minter   Mark  Dickson   McCormick   Minter   Nelyaly   Purdy   Ray  Nash   Rocky   Rosedale   Vaughn   Schoolhouse  –  AI  &  KP      
    • WY  2012  Nisqually  WS    Report  Card  Sites  -­‐10     Copper   Goat   Horn   Lacamas   Lynch   Midway   Tanwax   Twenty-­‐five  Mile   Ohop  (at  Nisqually   River)   •  Ohop  (near  Lynch   Creek)   •  •  •  •  •  •  •  •  • 
    • WY  2012  Chambers-­‐Clover  WS  Report  Card  Sites  -­‐  10     Clover Creek Spanaway Creek American Lake Carp Lake Gravelly Lake Louise Lake Spanaway Lake Lake Steilacoom Wapato Lake Waughop Lake
    • Puyallup  Watershed  Results   Stream  Name   Canyon  Creek   Canyon  Falls  Creek   Clarks  Creek   Clear  Creek   Diru  Creek   Fennel  Creek   2011  Grade   2012  Grade   WQI  Trend   C   C+   ↓   C+   C-­‐   ↓   C+   C+   C-­‐   C-­‐   B   B-­‐   B+   B-­‐   Fiske  Creek   ↓   BIBI  Trend   ↑   ↓   ↑   ↓   ↓   ↑   ↑   ↓   ↑   B+   Kapowsin  Creek   B-­‐   C+   ↑   ↑   Rody  Creek   C+   C+   ↑   ↑   B-­‐   C+   ↑   Spiketon  Creek   ↓  
    • Puyallup  Watershed  Results,  cont.   Stream  Name   2011  Grade   2012  Grade   WQI  Trend   BIBI  Trend   Squally  Creek   B   B-­‐   ↓   ↑   Swan  Creek   C+   C   ↑   ↑   Voights  Creek   B-­‐   C+   ↑   ↑   Wilkeson  Creek   B-­‐   B-­‐   ↑   ↑   Overall  Grade  C+   Down  slightly  from  2011  B-­‐  
    • Nisqually  Watershed  Results   Stream  Name   2011  Grade   2012  Grade   WQI  Trend   BIBI  Trend   Copper  Creek   B-­‐   B   ↑   ↓   Goat  Creek   B-­‐   B-­‐   ↑   ↓   Horn  Creek   C+   C   ↑   ↓   Lacamas  Creek   B-­‐   C   ↑   ↑   Lynch  Creek   C-­‐   C-­‐   ↓   ↑   Midway  Creek   C   Ohop  @  Nisqually   C+   C   ↑   ↑   Ohop  near  Lynch   C+   C   ↑   ↑   Tanwax  Creek   C   C   ↑   ↓   Twenty-­‐five  Mile   Creek   A-­‐   B+   ↑   ↑   Overall  Grade  C+   Same  Grade  as  2011  
    • KGI  Watershed  Results   Stream  Name   2011  Grade   2012  Grade   Artondale  Creek   C+   C   ↓   ↑   Crescent  Creek   C+   B-­‐   ↑   ↑   Dutchers  Creek   B-­‐   C+   ↑   ↓   Goodnough  Creek   C+   C+   ↑   ↑   Herron  Creek   B+   B   ↑   ↑   Huge  Creek   B+   B   ↑   ↑   Liile  Minter  Creek   WQI  Trend   BIBI  Trend   B-­‐   Mark  Dickson  Creek   C   D+   ↓   McCormick  Creek   C+   C   ↑   ↓   Minter  Creek   C+   C+   ↑   ↑   Nelyaly  Creek   C   C   ↓   ↑   Purdy    Creek   C+   C+   ↓   ↓   Ray  Nash  Creek   C   D+   ↓   ↑   Rocky  Creek   B+   B   ↓   ↑   Rosedale  Creek   C+   C   ↑   ↑   Schoolhouse  Creek  –  AI   C+   C+   ↑   ↓   Schoolhouse  Creek  –  KP   B-­‐   C-­‐   ↑   ↑   Vaughn  Creek   B-­‐   C+   ↑   ↑   Overall  Grade  C+   Down  slightly  from  2011  B-­‐   ↓  
    • Chambers-­‐Clover  Watershed  Results   Stream  Name   2011  Grade   2012  Grade   WQI  Trend   BIBI  Trend   Clover  Creek   D-­‐   F   ↓   ↓   Spanaway  Creek   C   C   ↑   ↑   American  Lake   C+   B   Carp  Lake   C+   C+   Gravelly  Lake   C+   C+   Lake  Louise   A   A-­‐   Spanaway  Lake   C+   B   Steilacoom  Lake   C   C+   Wapato  Lake   C   C-­‐   Waughop  Lake   D-­‐   D+   Overall  Grade  C+   Up  from  D+  in  2011  
    • Trends   •  Analysis  of  trends  for  41   streams  with  available  WQI  and   BIBI  data   •  Found  no  significant  correlaJon   between  WQI  and  BIBI  scores/ trends   •  WQI  &  BIBI  important  as   independent  measures  of   watershed  health  
    • Assessment  Used  to  Target  Streams   15.0   WQI  slope   Compared slopes of WQI & BIBI trends for each stream 10.0   4 (10%) declining in both: Clear Creek Canyon Falls Creek (Puyallup WS) Mark Dickson Creek (KGI WS) Clover Creek (Ch-Cl WS) The four declining streams will be focus of 2014 Raise the Grade Initiative 18   8   37 (90%) steams improving in one or both 5.0   BIBI  Slope   0.0   -­‐15.0   -­‐10.0   -­‐5.0   0.0   5.0   10.0   -­‐5.0   4   11   -­‐10.0   -­‐15.0   15.0  
    • www.piercecountywa.org/watershedhealthdata
    • Other trends are showing improvement, too Department of Health 7 year fecal coliform City of Tacoma PAH trends in stormwater Puget Sound Partnership State of the Sound Report 2013
    • Why? We don’t know with certainty, but…. Raise the Grade IDDE Sweeps Onsite septic repairs Capital improvement projects (retrofits) Maintenance of storm water facilities Salmon habitat projects Watershed Councils Partnerships Public awareness
    • Our  Monitoring  and  Assessment  Team   Carla  Vincent,  WQ  Supervisor   (253)798-­‐2467       cvince2@co.pierce.wa.us   Berl  Eldridge,  WQ  Specialist   (253)798-­‐2248     beldrid@co.pierce.wa.us   Corrie  Smith,  WQ  Specialist   (253)798-­‐6822     csmith@co.pierce.wa.us   Jon  Thompson,  WQ  Specialist   (253)798-­‐4643   jthomp1@co.pierce.wa.us   Puyallup Lookout Weather Station Elevation 4840 feet