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Hilton Head Environment Facts

Air Quality, Water Quality, Climate and more


Hilton Head
Air Quality
Beaufort County/Savannah
. Good Days Moderate Days Unhealthy for Sensitive Persons Days Unhealthy Days Very Unhealthy Days
2017 289 76 0 0 0
2016 na na na na na
2015 299 65 0 1 0
2014 255 108 2 0 0
2013 249 106 10 0 0




Hilton Head
Water Quality
Broad-St Helena Watershed
. % Good % Threatened % Impaired
2014 na na na
2012 34 0 66
2010 30 0 70
2008 21 0 79
2006 17 0 83
2004 na na na
2002 79 0 21




Hilton Head
Recreation
. # of Parks # of Parks
(99 City Avg)
National Parks, Historic Sites, etc.
(managed by National Park Service)
Fort Sumter National Monument, Fort Pulaski National Monument plus 3 more 7
National Campgrounds, Lodges, etc.
(other federal agency-managed sites)
3 26
State Parks, Sites, etc. 1 11



Hilton Head Climate
(1971-2000)
. . 99 City Avg
January - Avg Low Temp 37 F 27 F
January - Avg Daily Temp 48 F 37 F
July - Avg Daily Temp 81 F 74 F
July - Avg High Temp 88 F 86 F
Avg Annual Precipitation 53 in 35 in



Hilton Head Elevation
15 feet GPTR 99 City Average
1,652 feet



Hilton Head
Natural Hazards
. Risk Level 99 City Average
Total Hazard Risk Higher Moderate
Earthquake 1% 10.9%
Tsunami No Risk No Risk
Hurricane >60 10
Flood High Very High
Tornado Low Low
Volcano No Risk No Risk
Wildfire High Low



Hilton Head
Man-Made Hazards (Nuclear)
Nuclear Power Stations
(# Reactors)
Distance from City GPTR 99 City
Average
Vogtle (2) 80 miles 50% of cities are within 100 miles of at least one nuclear station



Hilton Head
Heating and Cooling Degree Days
(avg annual)
. . 99 City Avg
Total Degree Days 4,122 5,915
HDD 2,110 4,662
CDD 2,012 1,253



EPA Hazardous Material Cleanup Sites
(Hilton Head Area)
Hilton Head 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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