State of the Bay Report 2010-Final - Anchor Environmental

Anchor Environmental
Table 5.6. Percentage of samples in which the concentration of E. coli was above the 80 th percentile limit specified in South African Water Quality Guidelines for
mariculture use (20 organisms/ml) for 10 sites in Small Bay, 4 sites in Big Bay and 4 sites in Langebaan Lagoon. Blue shading indicates compliance with
regulations, while pink shading indicates non-compliance. Dashes (-) with no shading indicate that no samples were collected in that year. (Source:
Saldanha Bay Water Quality Forum Trust).
Year
1. Beach at mussel rafts
2. Small Craft Harbour
3. Small Quay - Sea Harvest
4. Saldanha Yacht Club
5. Pepper Bay - Big Quay
Small Bay Big Bay Langebaan
6. Pepper Bay- "Cape Reef"
7. Hoedjies Bay Hotel - Beach
8. Beach at caravan park
9. Beach - Bok River Mouth
1999 38% 29% 68% 71% 76% 79% 73% 18% 74% 0% 0% 0% 10% - 13% - - -
2000 0% 0% 40% 60% 40% 25% 80% 0% 60% 0% 50% 0% 0% - 0% - - -
2001 0% 27% 33% 76% 94% 93% 76% 67% 94% 20% 33% 0% 0% 71% 50% 62% - -
2002 14% 27% 62% 65% 77% 50% 84% 50% 88% 33% 0% 100% 50% - 42% 68% - -
2003 33% 36% 64% 74% 84% 44% 76% 47% 90% 0% - 0% 20% - 33% 27% - -
2004 0% 57% 41% 79% 70% 64% 68% 62% 91% 0% - 20% 40% - 67% 38% 50% 50%
2005 0% 33% 44% 60% 59% 50% 77% 70% 84% 33% 67% 57% 0% 0% 33% 38% 40% 33%
2006 0% 33% 43% 18% 50% 17% 50% 25% 75% 33% 50% 50% 67% 0% 0% 20% 33% 20%
2007 20% 0% 27% 42% 54% 44% 47% 55% 83% 33% 33% 0% 30% 100% 14% 44% 50% 25%
2008 0% 0% 0% 40% 50% 50% 53% 64% 58% 0% - 0% 33% 0% 17% 14% 50% 33%
2009 20% 67% 43% 20% 38% 30% 61% 60% 62% 50% 0% 29% 46% 46% 0% 27% 21% 22%
2010 50% 25% 13% 0% 64% 53% 91% 63% 63% 0% - 33% 17% 20% 0% 18% 22% 33%
State of the Bay 2010: Saldanha Bay and Langebaan Lagoon 99
10. General Cargo Quay - TNPA
11. Seafarm - TNPA
12. Mykonos - Paradise Beach
13. Mykonos - harbour
16. Leentjiesklip
14. Langebaan North - Leentjiesklip
15. Langebaan Main Beach
17. Langebaan Yacht Club
18. Tooth Rock