CALEDONIA, VT

Total Incidents:
375
Last Incident:
January 01, 2016

Note: Just because the latest incident is in 2017 or 2018 doesn't mean your water is free of contaminants! There is a considerable lag between when data is collected and when it is published by the EPA.

Contaminants

All Incidents

Water System Type Measure Violation Effects Begin Date
BARNET FD 2 Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2016-01-01
BARNET FD 2 Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2016-01-01
BARNET FD 2 Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2016-01-01
BARNET FD 2 Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2016-01-01
LYNDON SB REST AREA Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2015-10-01
SUTTON WATER SYSTEM Nitrate MCL, Average Maximum Contaminant Level Violation Infants below the age of six months who drink water containing nitrite in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. 2015-10-01
SUTTON WATER SYSTEM Nitrate MCL, Average Maximum Contaminant Level Violation Infants below the age of six months who drink water containing nitrate in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. 2015-10-01
SUTTON WATER SYSTEM Nitrate MCL, Average Maximum Contaminant Level Violation Infants below the age of six months who drink water containing nitrate in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. 2015-10-01
LYNDON SB REST AREA Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2015-10-01
SUTTON WATER SYSTEM Nitrate MCL, Average Maximum Contaminant Level Violation Infants below the age of six months who drink water containing nitrite in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. 2015-10-01
SUTTON WATER SYSTEM Nitrate MCL, Average Maximum Contaminant Level Violation Infants below the age of six months who drink water containing nitrate in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. 2015-10-01
SUTTON WATER SYSTEM Nitrate MCL, Average Maximum Contaminant Level Violation Infants below the age of six months who drink water containing nitrate in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. 2015-10-01
SUTTON WATER SYSTEM Nitrate MCL, Average Maximum Contaminant Level Violation Infants below the age of six months who drink water containing nitrate in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. 2015-10-01
LYNDON SB REST AREA Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2015-10-01
SUTTON WATER SYSTEM Nitrate MCL, Average Maximum Contaminant Level Violation Infants below the age of six months who drink water containing nitrite in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. 2015-10-01
SUTTON WATER SYSTEM Nitrate MCL, Average Maximum Contaminant Level Violation Infants below the age of six months who drink water containing nitrite in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. 2015-10-01
LYNDON SB REST AREA Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2015-10-01
SUTTON WATER SYSTEM Nitrate MCL, Average Maximum Contaminant Level Violation Infants below the age of six months who drink water containing nitrite in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. 2015-10-01
WATERFORD ELEMENTARY SCHOOL Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2015-09-01
WATERFORD ELEMENTARY SCHOOL Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2015-09-01
INN AT MOUNTAIN VIEW FARM Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2015-09-01
WATERFORD ELEMENTARY SCHOOL Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2015-09-01
WATERFORD ELEMENTARY SCHOOL Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2015-09-01
INN AT MOUNTAIN VIEW FARM Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2015-09-01
INN AT MOUNTAIN VIEW FARM Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2015-09-01
PLEASANT VALLEY CAMP Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2015-09-01
PLEASANT VALLEY CAMP Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2015-09-01
INN AT MOUNTAIN VIEW FARM Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2015-09-01
INN AT MOUNTAIN VIEW FARM Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2015-09-01
INN AT MOUNTAIN VIEW FARM Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2015-09-01
WATERFORD ELEMENTARY SCHOOL Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2015-09-01
WATERFORD ELEMENTARY SCHOOL Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2015-09-01
PLEASANT VALLEY CAMP Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2015-09-01
INN AT MOUNTAIN VIEW FARM Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2015-07-01
SUTTON WATER SYSTEM Nitrate MCL, Average Maximum Contaminant Level Violation Infants below the age of six months who drink water containing nitrite in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. 2015-07-01
INN AT MOUNTAIN VIEW FARM Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2015-07-01
INN AT MOUNTAIN VIEW FARM Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2015-07-01
INN AT MOUNTAIN VIEW FARM Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2015-07-01
INN AT MOUNTAIN VIEW FARM Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2015-07-01
SUTTON WATER SYSTEM Nitrate MCL, Average Maximum Contaminant Level Violation Infants below the age of six months who drink water containing nitrate in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. 2015-07-01
SUTTON WATER SYSTEM Nitrate MCL, Average Maximum Contaminant Level Violation Infants below the age of six months who drink water containing nitrate in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. 2015-07-01
SUTTON WATER SYSTEM Nitrate MCL, Average Maximum Contaminant Level Violation Infants below the age of six months who drink water containing nitrate in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. 2015-07-01
INN AT MOUNTAIN VIEW FARM Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2015-07-01
SUTTON WATER SYSTEM Nitrate MCL, Average Maximum Contaminant Level Violation Infants below the age of six months who drink water containing nitrite in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. 2015-07-01
SUTTON WATER SYSTEM Nitrate MCL, Average Maximum Contaminant Level Violation Infants below the age of six months who drink water containing nitrite in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. 2015-07-01
SUTTON WATER SYSTEM Nitrate MCL, Average Maximum Contaminant Level Violation Infants below the age of six months who drink water containing nitrite in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. 2015-07-01
GROTON VILLAGE REVITALIZATION Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2015-07-01
SUTTON WATER SYSTEM Nitrate MCL, Average Maximum Contaminant Level Violation Infants below the age of six months who drink water containing nitrate in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. 2015-07-01
SUTTON WATER SYSTEM Nitrate MCL, Average Maximum Contaminant Level Violation Infants below the age of six months who drink water containing nitrite in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. 2015-07-01
SUTTON WATER SYSTEM Nitrate MCL, Average Maximum Contaminant Level Violation Infants below the age of six months who drink water containing nitrate in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. 2015-07-01
GROTON VILLAGE REVITALIZATION Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2015-07-01
GROTON VILLAGE REVITALIZATION Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2015-07-01
SUTTON WATER SYSTEM Nitrate MCL, Average Maximum Contaminant Level Violation Infants below the age of six months who drink water containing nitrate in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. 2015-04-01
SUTTON WATER SYSTEM Nitrate MCL, Average Maximum Contaminant Level Violation Infants below the age of six months who drink water containing nitrate in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. 2015-04-01
SUTTON WATER SYSTEM Nitrate MCL, Average Maximum Contaminant Level Violation Infants below the age of six months who drink water containing nitrite in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. 2015-04-01
SUTTON WATER SYSTEM Nitrate MCL, Average Maximum Contaminant Level Violation Infants below the age of six months who drink water containing nitrite in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. 2015-04-01
SUTTON WATER SYSTEM Nitrate MCL, Average Maximum Contaminant Level Violation Infants below the age of six months who drink water containing nitrite in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. 2015-04-01
SUTTON WATER SYSTEM Nitrate MCL, Average Maximum Contaminant Level Violation Infants below the age of six months who drink water containing nitrate in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. 2015-04-01
SUTTON WATER SYSTEM Nitrate MCL, Average Maximum Contaminant Level Violation Infants below the age of six months who drink water containing nitrite in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. 2015-04-01
SUTTON WATER SYSTEM Nitrate MCL, Average Maximum Contaminant Level Violation Infants below the age of six months who drink water containing nitrate in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. 2015-04-01
SUTTON WATER SYSTEM Nitrate MCL, Average Maximum Contaminant Level Violation Infants below the age of six months who drink water containing nitrate in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. 2015-04-01
SUTTON WATER SYSTEM Nitrate MCL, Average Maximum Contaminant Level Violation Infants below the age of six months who drink water containing nitrite in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. 2015-04-01
WATERFORD WELCOME CENTER Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2015-02-01
WATERFORD WELCOME CENTER Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2015-02-01
WATERFORD WELCOME CENTER Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2015-02-01
WATERFORD WELCOME CENTER Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2015-02-01
WATERFORD WELCOME CENTER Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2015-02-01
WATERFORD WELCOME CENTER Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2015-02-01
SUTTON WATER SYSTEM Nitrate MCL, Average Maximum Contaminant Level Violation Infants below the age of six months who drink water containing nitrate in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. 2015-01-01
SUTTON WATER SYSTEM Nitrate MCL, Average Maximum Contaminant Level Violation Infants below the age of six months who drink water containing nitrite in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. 2015-01-01
SUTTON WATER SYSTEM Nitrate MCL, Average Maximum Contaminant Level Violation Infants below the age of six months who drink water containing nitrite in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. 2015-01-01
SUTTON WATER SYSTEM Nitrate MCL, Average Maximum Contaminant Level Violation Infants below the age of six months who drink water containing nitrate in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. 2015-01-01
SUTTON WATER SYSTEM Nitrate MCL, Average Maximum Contaminant Level Violation Infants below the age of six months who drink water containing nitrite in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. 2015-01-01
SUTTON WATER SYSTEM Nitrate MCL, Average Maximum Contaminant Level Violation Infants below the age of six months who drink water containing nitrite in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. 2015-01-01
SUTTON WATER SYSTEM Nitrate MCL, Average Maximum Contaminant Level Violation Infants below the age of six months who drink water containing nitrate in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. 2015-01-01
SUTTON WATER SYSTEM Nitrate MCL, Average Maximum Contaminant Level Violation Infants below the age of six months who drink water containing nitrite in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. 2015-01-01
SUTTON WATER SYSTEM Nitrate MCL, Average Maximum Contaminant Level Violation Infants below the age of six months who drink water containing nitrate in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. 2015-01-01
SUTTON WATER SYSTEM Nitrate MCL, Average Maximum Contaminant Level Violation Infants below the age of six months who drink water containing nitrate in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. 2015-01-01
NEW DISCOVERY STATE PARK Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2014-10-01
NEW DISCOVERY STATE PARK Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2014-10-01
NEW DISCOVERY STATE PARK Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2014-10-01
NEW DISCOVERY STATE PARK Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2014-10-01
NEW DISCOVERY STATE PARK Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2014-10-01
NEW DISCOVERY STATE PARK Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2014-10-01
WILDFLOWER INN Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2014-09-01
WILDFLOWER INN Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2014-09-01
WILDFLOWER INN Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2014-09-01
WILDFLOWER INN Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2014-09-01
WILDFLOWER INN Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2014-09-01
WALDEN SCHOOL Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2014-07-01
LYNDON SB REST AREA Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2014-07-01
WALDEN SCHOOL Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2014-07-01
WALDEN SCHOOL Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2014-07-01
LYNDON SB REST AREA Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2014-07-01
WALDEN SCHOOL Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2014-07-01
LYNDON SB REST AREA Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2014-07-01
WALDEN SCHOOL Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2014-07-01
WALDEN SCHOOL Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2014-07-01
LYNDON SB REST AREA Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2014-07-01
LYNDON SB REST AREA Coliform (TCR) MCL, Monthly (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2014-07-01