1. Manitoba Floodway Authority Manitoba Floodway Authority FLOODWAY EXPANSION GROUNDWATER ACTION RESPONSE PLAN 1. OVERVIEW GROUNDWATER IS A TOP PRIORITYGROUNDWATER IS A TOP PRIORITY DESIGN IS TO WIDEN THE CHANNEL NOT DEEPEN, TO MINIMIZE ANY GROUNDWATER IMPACTSDESIGN IS TO WIDEN THE CHANNEL NOT DEEPEN, TO MINIMIZE ANY GROUNDWATER IMPACTS MONITORING IS ONGOING ALONG CHANNELMONITORING IS ONGOING ALONG CHANNEL CARBONATE BEDROCK AQUIFERCARBONATE BEDROCK AQUIFER – GROUNDWATER CONFINED BY OVERLYING CLAY – WATER LEVEL PRESSURE IN BEDROCK ABOVE CHANNEL BOTTOM

2. Manitoba Floodway Authority Manitoba Floodway Authority 2. CONSTRUCTION REQUIREMENTS TEMPORARILY LOWER OR DRAWDOWN WATER LEVEL LOCALLY TO INSTALL BRIDGE FOUNDATIONSTEMPORARILY LOWER OR DRAWDOWN WATER LEVEL LOCALLY TO INSTALL BRIDGE FOUNDATIONS TO FACILITATE CONSTRUCTION, WATER MUST BE REMOVED FROM THE EXCAVATIONSTO FACILITATE CONSTRUCTION, WATER MUST BE REMOVED FROM THE EXCAVATIONS 3. REASON FOR TEMPORARY DRAWDOWN TO PREVENT GROUNDWATER SEEPAGE INTO THE EXCAVATIONTO PREVENT GROUNDWATER SEEPAGE INTO THE EXCAVATION

3. Manitoba Floodway Authority Manitoba Floodway Authority 4. EXPECTED IMPACTS GROUNDWATER DRAWDOWN WORK IS ANTICIPATED FOR APPROXIMATELY 2 TO 3 MONTHS, STARTING IN NOVEMBER, 2005 AND IN FALL, 2006 (HWY. BRIDGE 59S).GROUNDWATER DRAWDOWN WORK IS ANTICIPATED FOR APPROXIMATELY 2 TO 3 MONTHS, STARTING IN NOVEMBER, 2005 AND IN FALL, 2006 (HWY. BRIDGE 59S). LOCAL DRAWDOWN FOR CENTRAL BRIDGE PILES WILL EXTEND OUTWARD BEYOND BRIDGE.LOCAL DRAWDOWN FOR CENTRAL BRIDGE PILES WILL EXTEND OUTWARD BEYOND BRIDGE. TEMPORARY DRAWDOWN ESTIMATED TO BE 1.5 M OR LESS AT CLOSEST DOMESTIC WELLS.TEMPORARY DRAWDOWN ESTIMATED TO BE 1.5 M OR LESS AT CLOSEST DOMESTIC WELLS. MOST SUBMERSIBLE PUMPS SET WELL BELOW OPERATING LEVEL FOR DRY SEASONS, AND CAN HANDLE 1.5 M ADDITIONAL DRAWDOWN.MOST SUBMERSIBLE PUMPS SET WELL BELOW OPERATING LEVEL FOR DRY SEASONS, AND CAN HANDLE 1.5 M ADDITIONAL DRAWDOWN. SLIGHT RISK FOR A FEW PUMPS TO GO TEMPORARILY DRY - MFA TO MITIGATE.SLIGHT RISK FOR A FEW PUMPS TO GO TEMPORARILY DRY - MFA TO MITIGATE.

4. Manitoba Floodway Authority Manitoba Floodway Authority 5. MITIGATION OPTIONS MFA MAY DELIVER POTABLE WATERMFA MAY DELIVER POTABLE WATER MFA MAY LOWER RESIDENT’S PUMP DEPTHMFA MAY LOWER RESIDENT’S PUMP DEPTH MFA MAY MODIFY CONSTRUCTION PROCEDURESMFA MAY MODIFY CONSTRUCTION PROCEDURES OTHER (SUGGESTIONS FROM THE PUBLIC?)OTHER (SUGGESTIONS FROM THE PUBLIC?)

5. Manitoba Floodway Authority Manitoba Floodway Authority EXISTING GROUNDWATER SURFACE (TYP) SEASONAL GROUNDWATER FLUCTUATION TEMPORARY DRAWDOWN DOMESTIC WELL DRAWDOWN (PUMP ON)

6. Manitoba Floodway Authority Manitoba Floodway Authority GROUNDWATER ACTION RESPONSE PLAN GROUNDWATER ACTION RESPONSE PLAN RESIDENT ACTION COMPLAINT RECEIVED BY MFA FROM RESIDENT ADJACENT TO PROJECT DRAWDOWN ACTIVITIES COMPLAINT RECEIVED BY MFA FROM RESIDENT ADJACENT TO PROJECT DRAWDOWN ACTIVITIES MFA CONTACT MFA CONTACT – Toll Free Telephone 1-877-456-1201

7. Manitoba Floodway Authority Manitoba Floodway Authority PROPOSED MFA ACTION 1. PRELIMINARY SCREENING DISCUSS WITH RESIDENT WITHIN 1 HOUR OF COMPLAINT RECEIPTDISCUSS WITH RESIDENT WITHIN 1 HOUR OF COMPLAINT RECEIPT INTERFERENCE MAY HAVE OCCURRED:INTERFERENCE MAY HAVE OCCURRED: – MFA Provides Potable Water – Determine Action Plan

8. Manitoba Floodway Authority Manitoba Floodway Authority PROPOSED RESPONSE PROCEDURES 2. SECONDARY WELL ASSESSMENT MFA ONSITE TIMELY ASSESSMENT AS ARRANGED WITH RESIDENTMFA ONSITE TIMELY ASSESSMENT AS ARRANGED WITH RESIDENT 3. MFA POSSIBLE MITIGATION ACTIONS: CONTINUE WATER DELIVERYCONTINUE WATER DELIVERY LOWER OWNER’S PUMPLOWER OWNER’S PUMP MODIFY PROJECT PUMPING AND DRAWDOWNMODIFY PROJECT PUMPING AND DRAWDOWN OTHER (SUGGESTIONS FROM THE PUBLIC?)OTHER (SUGGESTIONS FROM THE PUBLIC?)

9. Manitoba Floodway Authority Manitoba Floodway Authority 4. PROPOSED DOCUMENTATION & NOTIFICATION PREPARE INCIDENT REPORT FOR REGULATORSPREPARE INCIDENT REPORT FOR REGULATORS – LOCATION OF COMPLAINT – INVESTIGATIONS AND RESULTS – ACTIONS TAKEN MFA WILL NOTIFY MANITOBA WATER STEWARDSHIP (MWS), WATER LICENSING BRANCH, MANITOBA CONSERVATION AND FEDERAL RESPONSIBLE AUTHORITIES (PHONE AND E-MAIL)MFA WILL NOTIFY MANITOBA WATER STEWARDSHIP (MWS), WATER LICENSING BRANCH, MANITOBA CONSERVATION AND FEDERAL RESPONSIBLE AUTHORITIES (PHONE AND E-MAIL) MFA WILL SUBMIT INCIDENT REPORT TO MWS WITHIN 1 WEEK OF ASSESSMENTMFA WILL SUBMIT INCIDENT REPORT TO MWS WITHIN 1 WEEK OF ASSESSMENT

10. Manitoba Floodway Authority Manitoba Floodway Authority 5. ONGOING PLAN IMPROVEMENTS GROUNDWATER ACTION PLAN WILL BE AMENDED TO IMPROVE RESPONSE AS REQUIRED.GROUNDWATER ACTION PLAN WILL BE AMENDED TO IMPROVE RESPONSE AS REQUIRED.