water testing

these are the results for my water testings:
presence of salt:
site one - 1 drop - high
site two - 1 drop - high
site three - 1 drop - high
site 4 - 3 drops - medium

presence of phosphates:
site one - 5
site two - 10
site three - 25
site four - 10


turbidity:
site one - yes
site two - yes
site three - yes
site four - no

pH:
site one - 6.03
site two - 6.26
site three - 7.50
site four - 6.80

all the water is relatively polluted due to the area that it is it. when boates, algea and animals and left of rubbish and waste been thrown in to the water and the waters not being maintained very much.