Sam Ziemann From - Region of Waterloo

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HYDROGEOLOGICAL ASSESSMENTSTRANGE STREET WATER SUPPLY CLASS EA UPDATEREGIONAL MUNICIPALITY OF WATERLOO6.0 RecommendationsBased on this update to the hydrogeologic assessment completed in the initial Class EA(Stantec, 2001), the following recommendations have been made:• The well performance at Production Well K13 has declined significantly since it was installedin 1946 and recent rehabilitation efforts have been unsuccessful in restoring lostperformance. As a result, it is recommended that the Region consider abandoning this welland replacing it with a new production well (K13A);• Based on the recent well inspection results at former Production Well K15, this well shouldbe decommissioned in accordance with Ontario Regulation 903; and• The favourable testing results at the Gzowski Park test well (K-SS-TW1-11) suggests thatthis location would support a municipal-scale water taking at a pumping rate ofapproximately 60 L/s. Elevated concentrations of iron were detected relative to other nearbyproduction wells, however the Strange Street Water Treatment Plant is being equipped todeal with elevated iron concentrations in water and therefore is not a concern. Should theRegion decide to pursue a new production well at this location, Stantec recommends theconstruction and testing of a large diameter (305 mm) test well.All of which is respectfully submitted,Sincerely,STANTEC CONSULTING LTD.Michelle Fraser, M.Sc., P.GeoHydrogeologistRoger Freymond, P.Eng.Project Manager, Senior Hydrogeologisthls v:\01609\active\161110897_strange_st\planning\report\final hydrogeo assessment\final\fnl_rpt_120319.docx 6.1
HYDROGEOLOGICAL ASSESSMENTSTRANGE STREET WATER SUPPLY CLASS EA UPDATEREGIONAL MUNICIPALITY OF WATERLOO7.0 ReferencesAquaResource Inc., 2009. Mapping of Shallow and Deep Potentiometric Surfaces. MemoPrepared for Regional Municipality of Waterloo. March 6, 2009.Bajc, A.F. and Shirota, J. 2007. Three--dimensional mapping of surficial deposits in theRegional Municipality of Waterloo, Southwestern Ontario; report in Ontario GeologicalSurvey, Groundwater Resources Study 3, 42p.Burnside & Associates Ltd. (Burnside), 2007. K11A Well Completion and Testing. Prepared forthe Regional Municipality of Waterloo. November 2007.Chapman, L.J., and D.F. Putnam. 1984. The Physiography of Southern Ontario. OntarioGeologic Survey, Special Volume 2, 270 p.International Water Supply. 1982. Well K10A. Letter Report. October 1982.International Water Supply, 1975. Construction and Testing Westmount Golf Club Well.International Water Supply Ltd., April 1975.International Water Supply (IWS). 1974. Groundwater Investigation, Westmount Golf Club,Kitchener, Ontario. International Water Supply Ltd., December 1974.International Water Supply Ltd. (IWS), 1942. K11 Aquifer Test Report. Prepared for theRegional Municipality of Waterloo.International Water Supply Ltd (IWS). 2009. Well K-19, Well Maintenance and Rehabilitation.Prepared for the Regional Municipality of Waterloo. June, 2009.Jacob, C.E., 1950. Flow of ground water. In: Engineering Hydraulics. Proc. Of the 4 thHydraulic Conference. John Wiley & Sons, New York, NY.Karrow, P.F., 1993. Quaternary Geology of the Stratford-Conestogo Area, Southern Ontario.Ontario Geologic Survey Report 283.Lotowater Technical Services Inc. (Lotowater). 2009. Well K10A Well Rehabilitation and LinerInstallation. Prepared for the Regional Municipality of Waterloo. May, 2009.Lotowater Technical Services Inc. (Lotowater). 2010a. Well K13 Well Inspection andRehabilitation, RMOW Contract P2008-01. Prepared for the Regional Municipality ofWaterloo. January, 2010.Lotowater Technical Services Inc. (Lotowater). 2010b. Well K19 Pump Maintenance and WellRehabilitation. Prepared for the Regional Municipality of Waterloo. May, 2010.hls v:\01609\active\161110897_strange_st\planning\report\final hydrogeo assessment\final\fnl_rpt_120319.docx 7.1
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Pressure (kPa)K18/K19 Well House to
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HYDROGEOLOGICAL ASSESSMENTSTRANGE S
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July 23, 2010Lisa Lachuta, P.Eng.Pa
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TECHNICAL MEMORANDUM A1 -STRANGE ST
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Sam Ziemann From - Region of Waterloo

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