Dutton
Komoka
Glencoe
Dresden
Wyoming Watford
Highgate
Bothwell
Ridgetown
Strathroy
Alvinston
RodneyThamesville
Chatham
Mount Brydges
Wallaceburg
Tilbury
Blenheim
Leamington
Wheatley
Port Stanley
West Lorne
MIDDLESEXLONDON
ST. CLAIR
LONDON
LAKESHORE
ENNISKILLEN
WEST ELGIN
DAWN-EUPHEMIA
THAMES CENTRESARNIA
SOUTHWOLD
KINGSVILLELEAMINGTON
CENTRALELGIN
SOUTHWEST MIDDLESEX
DUTTON/DUNWICH
ADELAIDE-METCALFE
BROOKE-ALVINSTON
STRATHROY-CARADOC
ST. THOMAS
PETROLIA
OIL SPRINGS
NEWBURYELGIN
LAMBTON
CHATHAM-KENT
Map 7-1aImpervious Surface Area within
Wellhead Protection Areasand Intake Protection Zones
Lake Erie
Lake St. Clair
MICHIGAN
St. C
lair R
iver
²
DELAWARENATION
CHIPPEWAS OF THETHAMES FIRST
NATIONMUNSEE-DELAWARE
FIRST NATION
ONEIDA NATION OF THE THAMES Lower Thames Valley
Source Protection AreaAssessment Report
Map created by UTRCA, May 8, 2015.Base mapping produced under license with the OntarioMinistry of Natural Resources. © 2011.Source Protection Area Boundary provided by OntarioMinistry of the Environment, 2006.Impervious Surface Area, LTVCA, 2014.Impervious surface area calculated only for those areaswhere an associated threat can exist; for SGRAs vulnerabilityscores 6 or greater.
Thames-Sydenham and Region
10 0 105 km
LegendImperviousSurfaceArea_UTM_AR2Percent_Impervious
0 to 1.01.1 to 8.08.1 to 8080.1 to 100Source Protection Area BoundaryMunicipal BoundariesCounty Boundaries
BKEJWANONG TERRITORY
(WALPOLE ISLANDFIRST NATION)
AAMJIWNAANGFIRST NATION
Note: The Percent Impervious is displayed on a 1 km grid,but the calculation only takes into account the vulnerablearea within the grid cell.
