WINONA, MN

Total Incidents:
317
Last Incident:
March 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
Discount Grocery Coliform (TCR) MCL, Acute (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2016-03-01
Discount Grocery Coliform (TCR) MCL, Acute (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2016-03-01
Discount Grocery Coliform (TCR) MCL, Acute (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2016-03-01
Discount Grocery Coliform (TCR) MCL, Acute (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2016-03-01
Ag Specialist 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 2016-03-01
Ag Specialist 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 2016-03-01
Ag Specialist 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 2016-03-01
Ag Specialist 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 2016-03-01
Discount Grocery Coliform (TCR) MCL, Acute (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2016-03-01
Ag Specialist 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 2016-03-01
Discount Grocery Coliform (TCR) MCL, Acute (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2016-03-01
Ag Specialist 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 2016-03-01
Whitewater Wildlife Management 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 2016-02-01
Whitewater Wildlife Management 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 2016-02-01
Whitewater Wildlife Management 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 2016-02-01
Whitewater Wildlife Management 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 2016-02-01
Whitewater Wildlife Management 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 2016-02-01
Whitewater Wildlife Management 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 2016-02-01
Whitewater 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 2015-06-01
Whitewater 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 2015-06-01
Whitewater 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 2015-06-01
Whitewater 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 2015-06-01
Whitewater 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 2015-06-01
Whitewater 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 2015-06-01
Prairie Island 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 2015-05-01
Prairie Island 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 2015-05-01
Prairie Island 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 2015-05-01
Prairie Island 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 2015-05-01
Prairie Island 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 2015-05-01
Prairie Island 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 2015-05-01
Sidetracks Bar & Grill 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
Sidetracks Bar & Grill 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
Sidetracks Bar & Grill 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
Sidetracks Bar & Grill 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
Sidetracks Bar & Grill 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
Sidetracks Bar & Grill 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
Whitewater 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 2014-12-01
Whitewater 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 2014-12-01
Whitewater 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 2014-12-01
Whitewater 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 2014-12-01
Whitewater 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 2014-12-01
Whitewater 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 2014-12-01
Ridgeway Water Association 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 2014-11-01
Ridgeway Water Association 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 2014-11-01
Ridgeway Water Association 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 2014-11-01
Ridgeway Water Association 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 2014-11-01
Ridgeway Water Association 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 2014-11-01
Ridgeway Water Association 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 2014-11-01
Whitewater 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 2014-09-01
Whitewater 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 2014-09-01
Whitewater 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 2014-09-01
Whitewater 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 2014-09-01
Whitewater 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 2014-09-01
Whitewater 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 2014-09-01
Trout Valley Trail 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
Trout Valley Trail 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
Berea Moravian Church 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
Trout Valley Trail 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
Whitewater 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 2014-07-01
Trout Valley Trail 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
Trout Valley Trail 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
Berea Moravian Church 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
Berea Moravian Church 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
Whitewater 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 2014-07-01
Whitewater 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 2014-07-01
Berea Moravian Church 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
Whitewater 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 2014-07-01
Berea Moravian Church 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
Whitewater 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 2014-07-01
Trout Valley Trail 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
Whitewater 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 2014-07-01
Berea Moravian Church 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
Whitewater 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 2014-06-01
Whitewater 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 2014-06-01
Whitewater 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 2014-06-01
Whitewater 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 2014-06-01
Whitewater 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 2014-06-01
Whitewater 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 2014-06-01
SEMA Equipment, Inc. 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 2014-01-01
SEMA Equipment, Inc. 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 2014-01-01
SEMA Equipment, Inc. 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 2014-01-01
SEMA Equipment, Inc. 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 2014-01-01
SEMA Equipment, Inc. 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 2014-01-01
SEMA Equipment, Inc. 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 2014-01-01
SEMA Equipment, Inc. 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 2014-01-01
Whitewater State Park Coliform (TCR) MCL, Acute (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2013-07-01
Whitewater State Park Coliform (TCR) MCL, Acute (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2013-07-01
Whitewater State Park Coliform (TCR) MCL, Acute (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2013-07-01
Whitewater State Park Coliform (TCR) MCL, Acute (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2013-07-01
Whitewater State Park Coliform (TCR) MCL, Acute (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2013-07-01
Whitewater State Park Coliform (TCR) MCL, Acute (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2013-07-01
Whitewater State Park Coliform (TCR) MCL, Acute (TCR) Maximum Contaminant Level Violation Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 2013-07-01
Great River Bluffs 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 2013-06-01
Great River Bluffs 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 2013-06-01
Great River Bluffs 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 2013-06-01
Great River Bluffs 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 2013-06-01
Great River Bluffs 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 2013-06-01
Great River Bluffs 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 2013-06-01
Great River Bluffs 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 2013-06-01
Lewiston Church of the Brethren 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. 2013-01-16