| County Map |
| Size |
423,041.57
Acres |
| County
Seat |
Hillsboro |
2000
Population
Change 1990-2000 |
198,099
26,719 |
| Jefferson County - County
Fact Sheets which list agriculture, business and economics, demographics, education,
health, youth and family, historical census data, and county map information |
| Agricultural and Natural Resources Contacts |
|
| 1Land
Cover Type |
Acres
|
%coverage
of County |
| Deciduous Upland
Mixed Oak Forest |
163,437.38 |
38.44 |
| Non-Native,
Cool-Season Grasslands |
97,889.89 |
23.02 |
| Deciduous Upland
Mixed Hardwood Forest |
47,992.54 |
11.29 |
| Row and Close Grown
Crops |
28,999.37 |
6.82 |
|
1Land
cover type - includes top four types of estimated land coverage. |
|
| Water
Bodies |
| Lakes |
Rivers/Creeks |
Rivers/Creeks |
Briarwood
Lake
Cedar Hills Lake
Cole Lake
Isum Lake
LaBorque Lake
Lake Pond due Lac Lake
Lake Lorraine
Montonese Lake
Summerset Lake
Sunrise Lake
shomingo Lake
Valle Lake
Wauwanoka Lake |
Bear Creek
Belew Creek
Big River
Bourne Creek
Buck Creek
Butcher Branch
Calico Creek
Cotter Creek
Dutch Creek
Dry Creek
Dullin Creek
Flacom Branch
Galligher Creek
Glaize Creek
Haverstick Creek
Heads Creek
Hockum Hollow |
Joachim
Creek
Jones Creek
Kruze Branch
Little Creek
Mammoth Creek
Maupin Creek
McMullen Creek
Plattin Creek
Pomne Creek
Saline Creek
Sand Creek
Skullbone Creek
Sugar Creek
Tiff Creek
Tyrey Creek
|
|
| Missouri
Fishing Waters |
| Stream
Miles |
141
Miles |
| Stream
Acres |
6,658
Acres |
| Lake
Acres |
2,077
Acres |
|
| Watershed
Health |
| Safe
Drinking Water Compliance Values |
| County includes
portions of three (3) **watersheds (at the 8 digit level of the USGS Hydrologic Units) |
07140101
Cahokia-Joachim
07140102 Meramec
07140104 Big |
| Primary
Drinking Source |
List of Drinking Water Systems |
|
Impaired waters
[303(d) Waters requiring development of TMDLs to restore water quality |
Big River.; Pollutant - Lead; Source - Old Lead Belt AML; Priority - High Rock Creek.; Pollutant - BOD NH3N; Source
- 2 WWTPs; Priority - High
Saline Creek.; Pollutant - BOD NH3N;
Source - Ron Rog WWTP, Hwy 141 WWTP; Priority - Low |
| Watershed
Plans to Repair Impaired Waters |
Rock Creek |
| Watershed
Restoration Projects |
None
listed yet |
Citizen Groups working in these
watersheds |
Cahokia-Joachim
Meramec
Big |
| Missouri Department of Conservation |
MDC Private Land
Assistance
Conservation
Assistance Contractors |
| Soils: Missouri Cooperative Soil Survey |
Manuscript and SSURGO
Data Access Page |