Water Testing Results — 19 August 2013

Town of Hopkinton, MA — Public Bathing Beach

SANDY BEACH WATER SAMPLES 2013

Oper­at­ed by Hop­kin­ton Parks and Recre­ation Depart­ment – Beach opens June 29, 2013 and clos­es August 18, 2013. It is open from 10:00 a.m. to 5:00 p.m., sev­en days a week dur­ing this period

445. 031: Indi­ca­tor Organisms

… (B) For fresh water, the indi­ca­tor organ­ism shall be E. Coli or Enterococci.

(1) No sin­gle E. Coli sam­ple shall exceed 235 colonies per 100 ml. and the geo­met­ric mean of the most recent five E. Coli sam­ples with­in the same bathing sea­son shall not exceed 126 colonies per 100 ml. …

Indi­ca­tor Organ­ism — E. Coli

Sam­ple Date Left side of Beach CFU/100ml Cen­ter of Beach CFU/100ml Right side of Beach CFU/100ml

June 24 <10 <10 10

July 1 10 0 30

July 8 11 MPN 3.1 MPN 18 MPN

July 15 9 MPN 13.0 MPN 15 MPN

July 22 3.0 MPN 8.0 MPN 8.0 MPN

July 29 15.0 MPN 14.0 MPN 161 MPN

Aug 5 5.0 MPN 4.0 MPN 7.0 MPN

Aug 12 6.0 MPN 9.0 MPN 30.0 MPN

Beach closed for the season

Aug 19 6.0 MPN 10.0 MPN 3.0 MPN

Aug 26

N.B. Although there are no life­guards at the beach after August 18, 2013 sam­ples will be tak­en to the end of August__

June — Tem­per­a­ture for the month aver­age 66 ⁰F, = +2.3 ◦ Fͦ month and pre­cip­i­ta­tion was inch­es, 12.11, + 8.42 inch­es for the month

July – Tem­per­a­ture for the month aver­age 74.1 ⁰F, + 4.4⁰F for the month(3rd warmest July on record) and pre­cip­i­ta­tion was 3.09 inch­es, -.55 inch­es for the month

August – Tem­per­a­ture for the month aver­age ⁰F for the month, and pre­cip­i­ta­tion was inches

Tem­per­a­ture and pre­cip­i­ta­tion infor­ma­tion pro­vid­ed by Blue Hills Obser­va­to­ry, Mil­ton, MA

7/10/13

CC: Parks and Recreation

Tina Mac­Connell, Patri­cia Hol­land, LMPA

Cost of pro­gram 2012 12 weeks (3 sam­ples $60.00) $720.00

Sam­pling and sam­ple deliv­ery 12 ($35.14/2 hrs) $843.00

Mileage $286.33 Total $1, 849.34