HCHU BEACH WATER CLARITY OBSERVATIONS – 2010
visibility	opaque	turbid	slightly turbid	clear	total	GM < 100	GM > 100	percent
depth (cm)	0	1-39	40-99	100				unsafe
# obs at each beach
Amberley	4	13	7	1	25	13	12	48%
Ashfield	2	10	12	1	25	13	12	48%
Port Albert	1	10	6	8	25	11	14	56%
Sunset	0	3	4	8	15	13	2	13%
Goderich main	0	2	6	17	25	13	12	48%
Goderich Rotary	0	4	5	16	25	15	10	40%
Goderich St.Chris	0	4	6	15	25	15	10	40%
Black's Point	0	4	10	2	16	10	6	38%
Bayfield main	0	7	6	12	25	22	3	12%
Bayfield south	1	2	5	6	14	13	1	7%
Houston Heights	0	8	12	5	25	16	9	36%
St. Joseph	0	6	9	2	17	9	8	47%
Hay Townshiip	0	3	7	6	16	10	6	38%
Port Blake	0	7	9	9	25	16	9	36%
total	8	83	104	108	303	189	114	38%
percent	3%	27%	34%	36%	100%	62%	38%