Map Notes MAPLETON CENTRAL HURON NORTH PERTH Map 2 Subwatershed Areas: Major Subwatershed Main Thames River – 2,767 sq. km HURON EAST North Thames River – 1,718 sq. km WOOLWICH Delineations South Thames River – 1,352 sq. km WELLESLEY PERTH EAST Middle Thames River – 324 sq. km Cr. Lake Erie – 737 sq. km irl Wh Watershed Characterization Report Lake St. Clair – 140 sq. km BLUEWATER WATERLOO r Shoreline Length: WEST PERTH WATERLOOThames Watershed & Region Rive PERTH Lake Erie – 120 km (Upper Thames River & Lower Thames Lake St. Clair - 17.6 km HURON Lake WILMOT Valley Source Protection Areas) Thames River Length: Cr. r North Thames – 77 km Flat Black STRATFORD Rive

Huron C s r on

South Thames – 86 km . Av ame

Middle Thames – 26 km Th Main Thames – 187 km (Forks in Legend London to mouth) PERTH SOUTH Headwater Elevations: t Municipal Boundaries Cr. North Thames – 355 metres above Trou Fish ST. MARYS C BLANDFORD-BLENHEIM sea level (masl) at Mitchell r . EAST ZORRA-TAVISTOCK South Thames – 380 masl at CHIPPEWAS OF KETTLE & County Boundaries LUCAN BIDDULPH Tavistock STONY POINT r FIRST NATION Rive

Middle Thames – 355 masl at orth LAMBTON SHORES N Thames Watershed & Region Hickson NORTH MIDDLESEX s Other Elevations: ZORRA ame Th WOODSTOCK Major Subwatersheds Delaware – 210 masl Cedar Medw

Lighthouse Cove (mouth) – 170 masl e OXFORDCr. l MICHIGAN ay C River Lake Erie r. es Midd am MIDDLESEX Th Member Municipalities: oCr. n INGERSOLL Lake St. Clair UTRCA Cr. bu PLYMPTON-WYOMING Cr. rg th Municipality of South Huron Wau Sou NORWICH POINT EDWARD WARWICK Pottersbu City of Stratford Oxbow Middle Thames River SARNIA Town of St. Marys SOUTH-WEST OXFORD Township of Perth East ADELAIDE-METCALFE LONDON Reyn North Thames River Township of Perth South AAMJIWNAANG olds C

FIRST NATION r. Township of West Perth Dingman Cr. r STRATHROY-CARADOC South Thames River City of London LAMBTON BROOKE-ALVINSTON Township of Middlesex Centre PETROLIA Township of Thames Centre ive r TILLSONBURG Thames River Township of Lucan-Biddulph ENNISKILLEN Rive CHIPPEWAS OF THE ONEIDA NATION City of Woodstock THAMESGen FIRST OF THE THAMES Town of Ingersoll NAtlemTION OIL SPRINGS en lair R MUNSEE-DELAWARE MALAHIDE Township of Blandford-Blenheim ST. CLAIR C ST. THOMAS r. Township of East Zorra-Tavistock SOUTHWEST MIDDLESEX FIRST NATION AYLMER New SOUTHWOLD

Township of Norwich t. C biggen s Cr. ame BAYHAM Township of South-West Oxford Battleh Th S Cr. Talbot Township of Zorra ill ELGIN DAWN-EUPHEMIA Cr. CENTRAL ELGIN LTVCA NEWBURY Municipality of West Elgin DUTTON-DUNWICH Municipality of Dutton/Dunwich Township of Southwold Municipality of Chatham-Kent Town of Lakeshore BKEJWANONG TERRITORY WEST ELGIN DELAWARE NATION Town of Leamington (WALPOLE ISLAND 0 5 10 20 30 40 FIRST NATION) Cr. Sixteen City of London PARRY SOUND LENNOX AND ADDINGTON km r M HALIBURTON ile MUSKOKA Municipality of Southwest Middlesex Rive Georgian g Cr. in Bay Township of Strathroy-Caradoc HASTINGS Flem Township of Middlesex Centre PETERBOROUGH KAWARTHA LAKES Lake s SIMCOE Lake Simcoe GREY Watercourse Information ame Huron Lake BRUCE Due to the complexity of the Thames Th r. DURHAM Map created by UTRCA, August 2007. regor C DUFFERIN NORTHUMBERLAND River watershed watercourse network, CHATHAM-KENT YORK PRINCE EDWARD St. Clair McG only 3rd order and greater watercourses r. elief D Base mapping produced under license with the Ministry of e R WELLINGTON PEEL are shown. arlan HURON Natural Resources. © 2007. McF Lake Lock Cr. PERTH HALTON Ontario Watershed Boundaries Dr. WATERLOO ettes Watershed boundaries defined by UTRCA, LTVCA, SCRCA. Jeann Lake Watershed boundaries shown are not Baptiste C The boundaries were originally created using watercourse and precisely defined. The boundaries were HAMILTON r. OXFORD BRANT elevation information from 1:50,000 N.T.S. mapping, 1983-1990.

r. Erie NIAGARA originally created using watercourse MIDDLESEX r.

ry C HALDIMAND C LAMBTON and elevation information from NORFOLK Big

Tilbu 1:50,000 N.T.S. mapping. LAKESHORE ELGIN

Lake CHATHAM-KENT Proposed Thames, Sydenham ESSEX St. Clair Thames-Sydenham Lake Erie & Region Source Water Protection ESSEX and Region Legend Municipal Boundaries KINGSVILLE LEAMINGTON Document Reference Thames Watershed & Region 2.1 Source Protection Region Source Protection Region