Water Test

Result

15 th March 2005

31 st March 2006

6 th March 2007

East

East

West

East

West

Nitrate mg/L

-

-

-

-

-

Phosphate mg/L

-

-

-

-

-

Ammonia mg/L

-

-

-

-

-

pH

8.08

8.05

8.57

7.91

8.03

Salinity ppk

1.06

0.87

0.99

0.88

1.03

Conductivity ms/cm 3

2.12

1.73

1.85

2.05

2.13

Turbidity

< 10

< 10

< 10

20

23

Water Condition Index

Water body Quality Rating

19 or less

Poor

20 - 34

Fair

35 - 49

Good

50 or more

Excellent

Examining the water at Big Swamp for macro invertebrates, March 2007.

Species sampled

Sensitivity Rating

February 2005

March 2006

March 2007

Dragonfly larvae

-

6

-

Damselfly larvae

6

6

6

Caddisfly larvae

-

6

-

Water mites

-

-

5

Beetle larvae

-

-

-

Beetle coleoptera

3

3

3

Bugs (water boatmen)

-

3

-

Daphnia/ water fleas

-

3

-

Cyclops

-

-

-

Freshwater shrimp

3

3

3

Flatworm

-

-

-

Ostracods

-

3

-

Water Snails

3

3

3

Midgie larvae

-

-

-

Aquatic earthworms

-

-

-

Macroinvertebrate

Water condition

15 Poor

36 Good

20 Fair

Vertebrates

Gambusia

Gambusia

Gambusia

Ducks

Ducks

Ducks

Date

Water Index Rating

Star Rating Guide

March 2005

× × Gambusia

Wetland needs some assistance. Continue restoration

March 2006

× × × Gambusia

Wetland is in reasonable condition now. Keep monitoring it

March 2007

× × Gambusia

Wetland needs some assistance. Continue restoration