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Iowa City Environment Facts

Air Quality, Water Quality, Climate and more


Iowa City
Air Quality
Johnson County
. Good Days Moderate Days Unhealthy for Sensitive Persons Days Unhealthy Days Very Unhealthy Days
2017 294 70 0 0 0
2016 305 61 0 0 0
2015 284 80 1 0 0
2014 262 101 1 0 0
2013 243 121 1 0 0




Iowa City
Water Quality
Lower Iowa Watershed
. % Good % Threatened % Impaired
2014 na na na
2012 40 0 60
2010 43 0 57
2008 na na na
2006 na na na
2004 4 76 20
2002 6 77 17




Iowa City
Recreation
. # of Parks # of Parks
(99 City Avg)
National Parks, Historic Sites, etc.
(managed by National Park Service)
Herbert Hoover National Historical Site 7
National Campgrounds, Lodges, etc.
(other federal agency-managed sites)
13 26
State Parks, Sites, etc. 7 11



Iowa City Climate
(1971-2000)
. . 99 City Avg
January - Avg Low Temp 13 F 27 F
January - Avg Daily Temp 22 F 37 F
July - Avg Daily Temp 77 F 74 F
July - Avg High Temp 88 F 86 F
Avg Annual Precipitation 37 in 35 in



Iowa City Elevation
640 feet GPTR 99 City Average
1,652 feet



Iowa City
Natural Hazards
. Risk Level 99 City Average
Total Hazard Risk Lower Moderate
Earthquake .1% 10.9%
Tsunami No Risk No Risk
Hurricane 0 10
Flood Very High Very High
Tornado Moderate Low
Volcano No Risk No Risk
Wildfire Low Low



Iowa City
Man-Made Hazards (Nuclear)
Nuclear Power Stations
(# Reactors)
Distance from City GPTR 99 City
Average
Duane Arnold (1) 35 miles 50% of cities are within 100 miles of at least one nuclear station
Quad Cities (2) 65 miles



Iowa City
Heating and Cooling Degree Days
(avg annual)
. . 99 City Avg
Total Degree Days 7,186 5,915
HDD 6,052 4,662
CDD 1,134 1,253



EPA Hazardous Material Cleanup Sites
(Iowa City Area)
Iowa City Area EPA Cleanup Sites


Legend:
Small green circles (older style maps) or multi-colored circles (newer style maps: click here for legend) indicate 1)Superfund Sites 2)Federal Facilities 3)RCRA Corrective Action Sites and 4)Brownfields Properties (EPA hazardous material cleanup sites defined at Environment link)

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