Freshwater in Indiana

Allen Pursell

The Nature Conservancy

● Flows freely for over 411 miles

● Drains over 33,000 square miles

● From 73 of Indiana’s 92 counties

● 151 species of fish

● 75 mussel species

5 of the richest

40 river

segments in

the US are

associated

with

the Wabash

Pistolgrip

Pink

heelsplitter

Slippershell

Threehorn wartyback

Ring pink

Purple wartyback

Fawnsfoot

Monkeyface

Elephantear

Percentage change in very heavy precipitation

0 10 20 30 40 60

31%

Percentage increases in the amount falling in very heavy precipitation events (defined as the heaviest 1% of all daily events) from 1958–2007.

3 m 3 m

9 m

Illinois 16.8 16.8 1734.9 Illinois 12.9 12.9 117.4

Iowa 11.3 28.1 1167.2 Missouri 12.1 25.0 89.4

Indiana 10.1 38.2 1806.6 Iowa 9.8 34.8 89.2

Missouri 9.6 47.8 800.5 Arkansas 9.6 44.4 94.6

Arkansas 6.9 54.7 750.1 Kentucky 9.0 53.4 113.4

Kentucky 6.1 60.8 879.5 Indiana 8.4 61.8 132.3

Tennessee 5.5 66.3 757.7 Tennessee 5.3 67.1 61.9

Cumulative Yield Cumulative Yield

State Total % % (kg/km2/yr) State Total % % (kg/km2/yr)

Total Nitrogen Total Phosphorus

Previously overlooked

geological reports from

the 1980’s bumped up

estimates.

Even older estimates

put Morocco in the lead

Algeria

China

Jordan

Morocco

Russia

South Africa

Syria

United States

other

2009

2011

Global Reserves of Rock Phosphate by Country

in billions of tons

0 10 20 30 40 50

Indiana is losing reservoir capacity. This will potentially

result in more frequent flooding and also water shortages,

especially since current w