2015 E-coli Bacteria Counts at the Geneva Lake, WI Municipal Beaches


 E. coli Counts (MPN 100mL-1) at City of Lake Geneva Public Beach;
Geneva Lake, Walworth County, WI; 2017.

Lake Geneva 5/22/17 5/30/17 6/5/17 6/12/17 6/19/17 Avg
First
Period
LG 1 West End 20 50.6 29.3 2 16.9 23.8
LG 2 Swim Pier 20 46.8 25.3 4.1 9.6 21.2
LG 3 East End 5.2 27.7 29.3 37.9 25.1 25.0
  Rain within 24 hrs (in) 0.00 0.00 0.00 0.00 0.00 0.0
  Lake Geneva 6/26/17 7/7/17 7/10/17 7/17/17 7/24/17 Avg
Second
Period
LG 1 West End 8.5 28.5 69.9 21.8 24.1 30.5
LG 2 Swim Pier 5.2 25.9 25.9 7.3 14.6 15.8
LG 3 East End 1 35.0 280.9 25.0 365.4 141.5
  Rain within 24 hrs (in) 0.00 0.00 1.00 0.00 0.49  
Lake Geneva 7/31/17 8/7/17 8/14/17 8/21/17 8/28/17 Avg
Final
Period
LG 1 West End 2 21.1 116.9 5.2 40.5 37.1
LG 2 Swim Pier 3.1 10.7 25.6 6.3 108.1 30.8
LG 3 East End 24.7 79.4 119.2 1 61.6 57.2
  Rain within 24 hrs (in) 0.00 0.00 0.00 0.00 0.10
Source: GLEA & Genoa City Wastewater Lab 235=Exceed advisory criteria 1000=Exceed closing criteria


E. coli Counts (MPN 100mL-1) at Village of Fontana-on-Geneva Public Beaches;
Geneva Lake, WI  2017
  Fontana 5/22/17 5/31/17 6/5/17 6/12/17 6/19/17 Avg
First
Period
F1 North End < 1 <1 12 <1 1 7
F2 Guard Stand 2 <1 4 4 1 3
F3 South End 4 <1 21 <1 1 9
F4 Abbey/Channel Mix 9 1 26 5 31 14
F5 Beach S. Chnl 4 1 13 7 19 9
  Rain within 24 hrs (in) 0.00 0.00 0.00 0.00 0.00
  Fontana 6/26/17 7/5/17 7/10/17 7/17/17 7/24/17 Avg
Second
Period
F1 North End 2 2 2 4 8 4
F2 Guard Stand 2 2 1 2 15 4
F3 Swim Pier 2 4 1 3 22 6
F4 Abbey/Channel Mix 5 33 41 12 124 43
F5 South beach 22 6 2 4 10 9
  Rain within 24 hrs (in) 0.00 0.00 1.00 0.00 0.49
  Fontana 7/31/17 8/7/17 8/14/17 8/21/17 8/28/17 Avg
Final
Period
F1 North End <1 <1 old 7 173 90
F2 Guard Stand <1 2 old 8 328  
F3 Swim Pier 5 3 old 4 308  
F4 Abbey/Channel Mix 6 13 old 45 12 19
F5 South beach 5 91 old 5 2 26
  Rain within 24 hrs (in) 0.00 0.00 0.00 0.00 0.10  
Source: GLEA & SLH 235=Exceed advisory criteria 1000=Exceed Closing Criteria
NOTE:  "old" = sample arrived at lab late. Lost in shipping
* = Cloudy with winds 10-12 mph from west. Waves 6-9" into shore. Many gulls and geese present.
     Water turbid with dead fish and much prop chop. No use, air temp cool.


E. coli Counts (MPN 100mL-1) at Williams Bay Public Beaches;
Geneva Lake, Walworth County, WI; 2017
  Williams Bay 5/22/17 5/31/17 6/5/17 6/12/17 6/19/17 Avg
First
Period
WB1 West End 11 32 2 6 5 11
WB2 Swim Pier 3 11 6 7 <1 7
WB3 Creek/Lake Mix 5 7 3 38 3 11
WB4 East of Creek 10 12 <1 49 25 24
  Rain within 24 hrs (in) 0.00 0.00 0.00 0.00 0.00
  Williams Bay 6/26/17 7/5/17 7/10/17 7/17/24 7/24/17 Avg
Second
Period
WB1 West End 29 4 31 29 17 22
WB2 Swim Pier 8 7 26 65 32 28
WB3 Lake Creek Mix 13 28 770 236 18 213
WB4 East of Creek 33 2 108 291 36 94
  Rain within 24 hrs(in) 0.00 0.00 1.00 0.00 0.49 0.30
  Williams Bay 7/31/17 8/7/17 8/14/17 8/21/17 8/28/17 Avg
Final
Period
WB1 West End old 5 old 5 5 5
WB2 Swim Pier old 3 old 4 2 3
WB3 Creek/Lake Mix old 43 old 8 1 17
WB4 East of Creek old 5 old 37 5 16
  Rain within 24 hrs (in) 0.00 0.00 0.00 0.00 0.10
Source: GLEA & SLH 235 =Exceed advisory criteria 1000=Exceed Closing Criteria
NOTE:  "old" = sample arrived at lab late. Lost in shipping


E. coli Counts (MPN 100mL-1) at Town of Linn Public Beaches; Geneva Lake,
Walworth County, WI; 2017
  Linn Pier 5/22/17 5/31/17 6/5/17 6/12/17 6/19/17 Avg
First
Period
LP1 Beach 1 <1 <1 2 4 2
Robinson Hillside 5/22/17 5/31/17 6/5/17 6/12/17 6/19/17 Avg
HR1 Hillside Creek 72 127 411 488 1120 444
HR2 Lake/Creek Mix 20 160 12 178 579 190
HR3 Hillside Beach 3 3 34 12 4 11
Rain within 24 hrs (in) 0.00 0.00 0.00 0.00 0.00
  Linn Pier 6/26/17 7/5/17 7/10/17 7/17/17 7/24/17 Avg
Second
Period
LP1 Beach 12 1 3 1 4 4
Robinson Hillside 6/26/17 7/5/17 7/10/17 7/17/17 7/24/17 Avg
HR1 Hillside Creek 397 579 >2419.6 276 387 410
HR2 Lake/Creek Mix 345 N/A >2419.6 63 228 212
HR3 Hillside Beach 1 6 272 2 43 65
Rain within 24 hrs(in) 0.00 0.00 1.00 0.00 0.49
  Linn Pier 7/31/17 8/7/17 8/14/17 8/21/17 8/28/17 Avg
Final
Period
LP1 Beach old 5 old 6 3 5
Robinson Hillside 7/31/17 8/7/17 8/14/17 8/21/17 8/28/17 Avg
HR1 Hillside Creek old 435 old 326 326 362
HR2 Lake Creek Mix old 345 old 27 291 221
HR3 Hillside Beach old 15 old 8 10 11
Rain within 24 hrs (in) 0.00 0.00 0.00 0.00 0.10
Source: GLEA & SLH 235=Exceed advisory criteria 1000=Exceed Closing Criteria
NOTE:  "old" = sample arrived at lab late. Lost in shipping