SANTA CRUZ, AZ

Total Incidents:
88
Last Incident:
August 01, 2015

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
ADOT SONOITA 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 2015-08-01
VALLE VERDE WATER COMPANY - EAST 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 2015-08-01
VALLE VERDE WATER COMPANY - EAST 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 2015-08-01
ADOT SONOITA 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 2015-08-01
SMITHSONIAN INST II 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 2015-04-01
SMITHSONIAN INST II 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 2015-04-01
LIBERTY WATER RIO RICO 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
LIBERTY WATER RIO RICO 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
NOGALES CITY OF 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 2013-08-01
NOGALES CITY OF 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 2013-08-01
ALISO SPRINGS PROPERTY OWNER ASSOC INC Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2013-01-01
ALISO SPRINGS PROPERTY OWNER ASSOC INC Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2013-01-01
ALISO SPRINGS PROPERTY OWNER ASSOC INC Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2012-10-01
ALISO SPRINGS PROPERTY OWNER ASSOC INC Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2012-07-01
ALISO SPRINGS PROPERTY OWNER ASSOC INC Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2012-04-01
ALISO SPRINGS PROPERTY OWNER ASSOC INC Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2012-04-01
NOGALES CITY OF Asbestos MCL, Average Maximum Contaminant Level Violation Increased risk of developing benign intestinal polyps 2012-01-01
ALISO SPRINGS PROPERTY OWNER ASSOC INC Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2012-01-01
ALISO SPRINGS PROPERTY OWNER ASSOC INC Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2012-01-01
NOGALES CITY OF Asbestos MCL, Average Maximum Contaminant Level Violation Increased risk of developing benign intestinal polyps 2012-01-01
VALLE VERDE WATER COMPANY - WEST 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 2011-07-01
ALISO SPRINGS PROPERTY OWNER ASSOC INC Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2011-07-01
VALLE VERDE WATER COMPANY - WEST 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 2011-07-01
ALISO SPRINGS PROPERTY OWNER ASSOC INC Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2011-07-01
ALISO SPRINGS PROPERTY OWNER ASSOC INC Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2011-07-01
VALLE VERDE WATER COMPANY - EAST 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 2011-07-01
VALLE VERDE WATER COMPANY - EAST 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 2011-07-01
ALISO SPRINGS PROPERTY OWNER ASSOC INC Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2011-04-01
ALISO SPRINGS PROPERTY OWNER ASSOC INC Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2011-04-01
NOGALES CITY OF Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2011-01-01
NOGALES CITY OF Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2010-10-01
NOGALES CITY OF Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2010-07-01
NOGALES CITY OF Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2010-07-01
TREE OF LIFE WATER SYSTEM 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 2010-05-01
TREE OF LIFE WATER SYSTEM 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 2010-05-01
NOGALES CITY OF Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2010-04-01
NOGALES CITY OF Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2010-04-01
EPCOR WATER - TUBAC Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2009-10-01
NOGALES CITY OF 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 2009-09-01
EPCOR WATER - TUBAC Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2009-07-01
EPCOR WATER - TUBAC Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2009-07-01
NOGALES CITY OF 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 2009-07-01
EPCOR WATER - TUBAC Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2009-07-01
NOGALES CITY OF 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 2009-07-01
TREE OF LIFE WATER SYSTEM 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 2009-05-01
TREE OF LIFE WATER SYSTEM 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 2009-05-01
EPCOR WATER - TUBAC Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2009-04-01
EPCOR WATER - TUBAC Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2009-04-01
EPCOR WATER - TUBAC Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2009-04-01
EPCOR WATER - TUBAC Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2009-01-01
EPCOR WATER - TUBAC Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2009-01-01
EPCOR WATER - TUBAC Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2009-01-01
EPCOR WATER - TUBAC Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2009-01-01
EPCOR WATER - TUBAC Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2009-01-01
EPCOR WATER - TUBAC Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2009-01-01
EPCOR WATER - TUBAC Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2008-10-01
EPCOR WATER - TUBAC Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2008-10-01
EPCOR WATER - TUBAC Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2008-10-01
NOGALES CITY OF 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 2008-08-01
MI CASA RV CAMPGROUND 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 2008-08-01
NOGALES CITY OF 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 2008-07-01
EPCOR WATER - TUBAC Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2008-07-01
EPCOR WATER - TUBAC Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2008-07-01
APOSTOLIC CHURCH OF AMADO Nitrate MCL, Single Sample 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. 2008-07-01
APOSTOLIC CHURCH OF AMADO Nitrate MCL, Single Sample 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. 2008-07-01
EPCOR WATER - TUBAC Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2008-07-01
NOGALES CITY OF 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 2008-05-01
SONOITA VALLLEY (NORTH) WATER COMPANY 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 2008-05-01
EPCOR WATER - TUBAC Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2008-04-01
SONOITA VALLLEY (NORTH) WATER COMPANY 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 2008-04-01
EPCOR WATER - TUBAC Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2008-04-01
EPCOR WATER - TUBAC Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2008-04-01
EPCOR WATER - TUBAC Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2008-01-01
EPCOR WATER - TUBAC Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2008-01-01
EPCOR WATER - TUBAC Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2008-01-01
SMITHSONIAN INST II 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 2007-12-01
NOGALES CITY OF Arsenic MCL, Single Sample Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2007-10-01
VALLE VERDE WATER COMPANY - EAST Tetrachloroethylene MCL, Average Maximum Contaminant Level Violation Liver problems; increased risk of cancer 2007-10-01
EPCOR WATER - TUBAC Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2007-10-01
EPCOR WATER - TUBAC Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2007-10-01
NOGALES CITY OF Arsenic MCL, Single Sample Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2007-10-01
VALLE VERDE WATER COMPANY - EAST Tetrachloroethylene MCL, Average Maximum Contaminant Level Violation Liver problems; increased risk of cancer 2007-10-01
EPCOR WATER - TUBAC Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2007-10-01
NOGALES CITY OF Arsenic MCL, Single Sample Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2007-10-01
VALLE VERDE WATER COMPANY - WEST Arsenic MCL, Average Maximum Contaminant Level Violation Skin damage or problems with circulatory systems, and may have increased risk of getting cancer 2007-10-01
APOSTOLIC CHURCH OF AMADO 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 2007-09-01
AZ STATE PKS PATAGONIA LAKE 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 2006-08-01
NOGALES CITY OF 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 2006-06-01