Beach Water Monitoring Reports

Summary of 2015 Beach Water Monitoring Report

All Huron County beaches were sampled a minimum of 22 days.  At Amberley beach, 50 per cent of the sample days had an E. coli geomean concentration exceeding the provincial beach water standard of 100 E. coli CFU/100 ml (Table 2).  When summed, Huron County beaches exceeded the provincial standard on 31% of the days sampled.  The daily geomeans for each beach are contained in the respective web pages.

Table 1: Number of days Huron County public beaches were sampled in 2015 and per cent of sampling days exceeding provincial limit for E. coli

Beach Number of sample days exceeding 100 E. coli CFU/100 ml Total number of sample days Per cent sample days exceeding 100 E. coli CFU/100 ml
Amberley 12 24 50%
Ashfield Township Park 7 24 29%
Bayfield Main 1 24 4%
Bayfield South 4 24 17%
Black’s Point 9 24 38%
Goderich – Main 9 24 38%
Goderich – Rotary Cove 10 26 38%
Goderich – St. Christopher’s 10 24 42%
Hay Township Park 11 25 44%
Houston Heights 5 24 21%
Port Albert 8 24 33%
Port Blake 7 24 29%
St. Joseph’s 8 24 33%
Sunset 5 22 23%
Total 106 337 31%

Five, three, and one year E. coli CFU/100 ml geomeans were calculated for each beach (Figure 1).  None of the beaches had an annual geomean exceeding 100 E. coli CFU/100 ml for 2014.  Goderich St. Christopher’s Beach had a five year geomean exceeding 100 E. coli CFU/100 ml.

Figure 1: Five, three, and one year geomeans for E. coli CFU/100 ml for 2015 sampling season

5 yr geomean graph for 2015