Rocky Mountains Runoff from from use. industrial andmunicipal recreation, irrigation, and lakes areusedfor series ofreservoirsand Qu’Appelle River.Here,a River isdivertedintothe South about onepercentofthe Today, 11 500yearslater, 11500yearslater, Qu’Appelle Rivervalley. flowed downthe Saskatchewan River age, theSouth At theendoflastice Saskatchewan River: borrowed The Qu’Appelle Columbia South River British River watershed Saskatchewan Alberta water Saskatchewan from South South Diefenbaker diversion Calgary Water River Lake Edmonton 1 Watershed boundary

So North uth Eyebrow Dam Gardiner Buffalo Pound 11 Lake Lake

Sask Sask Sask Sask Sask Sask Sask Sask

Sas Sas Sas Sas Sas Sas Sas Sas

ka ka ka ka ka ka ka ka

atch atch atch atch atch atch atch

tch tch tch tch tch tch tch tch

2 Saskatchewan

e e e e e e e e

wan wan wan wan wan wan wan e wan Prince Albert Mountain callinglakes.com w

Lake a Last

n Moose

Potash R. Jaw mine R . Lumsden The wellknowncontinentaldividein theRockiesseparatesstreamsthatflow cities andindustry U.S.A. Water supply to continental divide separateswatersboundfortheGulf ofMexicofrom west tothePacificfromstreamsflowing easttoHudsonBay.Another Sas

Q Regina u k

a ' A A A A A A

A tch

p p p p p p p

those thatflownorth toHudsonBay.Whereisthisdivide?

p p p p p p

p ew

ell ell ell ell ell ell ell A continentaldivideinsouthern Saskatchewan

an

e e e e e e e

Regina

R. R. R. R. R. R. R. R.

6

R. R. R. R. R. R. R. R. Beach. Katepwa Beach. Annual precipitation 10 300

millimetres peryear

Qu'Appelle L L L L L L L L

ak ak ak ak ak ak ak ak

e e e e e e e e

W W W W W W W

Fort W

0 0 600 500 400

in in in in in in in in

nipeg nipeg nipeg nipeg nipeg nipeg nipeg nipeg Manitoba Winnipeg Melville

Qu'Appe ? 1 Mountains. carrying watersfromthefar-offRocky system, whichcrossesSaskatchewan exception istheSaskatchewanRiver salt-encrusted shores.Thevital chatter ofbirds,andsalinelakeswith support marshysloughsfilledwiththe the year.Localstreamsandsprings maintain abasewaterlevelthroughout also receiveflowfromspringsthathelp from springsnowmelt.Manystreams most streamsaresmallandoriginate in southernSaskatchewanismeagre, and townssprangup.Becauserainfall was sufficientwater,ranches,farms, resource forprairielife—wherethere Water hasalwaysbeenthelimiting

ll Mississippi River

e

R

iv Assiniboine

e

r River Wateringadryland To Saskatchewan Every daywedrainthesink,tub,andtoilet. South River Where doesyourwatercomefrom? Where doesyourwater does yourwastewatergo? Saskatchewan North River come from? ? Regina

Saskatoon Q

basin boundary drainage Internal- River-basin

u

'A

p

p

e

ll e

D. MacDougall, SiR R Prairie Farm

Churchill

iv Rehabilitation Administration

e River r

. The SaskatchewanRiversystemisthemostreliablesource J. Dale and generatehydroelectricpower. system. Riverwaterisincreasinglyusedtoirrigatefarmland Battlefords, andMooseJaw,drawtheirwaterfromtheriver communities, includingSaskatoon,Regina,PrinceAlbert,the of good-qualitywaterinsouthernSaskatchewan.Over30 . Sodium-sulphate lake. Sodium-sulphate lake. Assiniboine Saskatchewan Riversystem River The manywayswe Saskatchewan Winnipeg Lake depend onthe Gardiner Damand Gardiner Damand Lake Diefenbaker. Lake Diefenbaker. River R. Turner (GSC 2003-504I) As thelakeshavenooutletstream, the surface andgroundwatersto thelakes. Dissolved saltsaretransported in lakes surroundedbywhitesaltcrusts. the sea.Suchareasarerareelsewhere drainage basinscanproducesaline in .Runoffwithintheseinternal internal andwaterdoesnotescapeto Saskatchewan wherethedrainageis there arelargeareasofsouthern Most riversruntothesea.However, Where streamsdon’t

. flow tothesea salts aretrapped, and concentratedby ongoing evaporation of thelakewaters. J.P. Goossen, Environment Canada R. Turner (GSC 2003-504B) R. Lagace -

.

. .