Peace River Manasota Regional Water Supply Authority Surface Water and Reservoirs, Meeting the Chall

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Peace River ManasotaRegional Water Supply
AuthoritySurface Water and Reservoirs, Meeting
the Challenge of Growing Public Demands for
Water

• Charlotte Harbor National Estuary Program
• Citizens Advisory Committee Meeting
• April 16, 2008

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Manatee River Reservoir
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cfs
cfs
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Embankment Cross Section
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Reservoir No. 2 Construction Permits

• Permits required by DEP
• Preliminary feasibility and soil testing
• Final Engineering Construction Plans
  Specifications
• Submittal Review by DEP
• Permit Issued
• Total permitting process took almost 3 years

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Reservoir No. 2 Environmental Resource Permits
(ERP)

• Obtain permits set aside a 51 acre Gopher
  Tortoise recipient site
• Reservoir foot print impacted 33 wetlands for a
  total of 165 acres
• Assessment of type, quantity quality of
  impacted wetlands by WMD, DEP, ACOE
• Assessment of type quantity quality of
  mitigation wetlands to be restored on site
• Restored 64 wetlands for a total restoration of
  1055 acres

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Peace River Regional Water Supply Facility
Raw WaterStorage Reservoir
Potable Water ASR Wells
Water Treatment Plant
Treated Water Storage
Water Transmission
PeaceRiver
Demand
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Water Use Permit Diversion Schedule

• River Flow at Arcadia 130 cfs or lower no pumping
  from the river
• River Flow at Arcadia above 130 cfs pump up to 10
  of River Flow
• Typical year no river withdrawal for 120 days
• Drought year 2000 no river pumping for 250 days

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Surface Water Challenges

• Reliability
• Salt water intrusion
• Industrial spills
• Wastewater discharges
• Algae taste odor

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• 100 miles long
• Drains 2,300 square miles
• Charlotte Harbor is recognized as a National
  Estuary
• Facility optimized location

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• Salt Water Intrusion
• Low river flow
• High tides
• High winds
• Rely on stored reserves

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• Industrial spills
• Wastewater discharges
• Algae taste odor
• Rely on stored reserves

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Summary

• Off stream reservoirs provide system reliability,
  
• Protect the down stream estuary by allowing the
  storage of river water during high flow periods,
• Provide safety in the event of poor water quality
  in the river and
• Improves water quality

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END

• Questions

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Executive Order Diversion Schedule

• When the Combined River Flow of Arcadia, Horse
  Creek Joshua Creek is above 90 cfs pump up to
  14 of river flow
• When the Combined River Flow of Arcadia, Horse
  Creek Joshua Creek is Above the Median Flow of
  330 cfs Pump up to 21 of River Flow

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Microconstituents

• Ibuprofen taken _at_ 400 mg dose. Found in water _at_
  .0002 mg/l
• Public utilities comply with all drinking water
  standards

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Regional Sources In Evaluation Source Water
Feasibility Study
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Lower Peace River Minimum Flows and Levels

• Apr 20 June 25 10 diversion allowed if river
  flow is below median or 26 diversion if river
  flow is above the median flow
• Oct 27 Apr 19 14 or 21
• Jun 26 Oct 26 12 or 15

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Shell Creek Minimum Flows and Levels

• Apr 20 June 25 10 diversion allowed if river
  flow is below median or 23 diversion if river
  flow is above the median flow
• Oct 27 Apr 19 18 or 42
• Jun 26 Oct 26 35 or 83