Daylight through the yearLongest day (Jun 21): 14 h 21 min6:01 am – 8:22 pmShortest day (Dec 21): 9 h 57 min7:09 am – 5:07 pm
Sun todaySunrise –Sunset –
ClimateWarmest month July: highs 93°F, lows 71°FColdest month January: highs 55°F, lows 32°F51 in of rain a year, on about 74 dayswettest month December1 in of snow a year, on about 0 days76 days above 90°F, 60 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Calion L&d station, 8 mi away
Nearby landmarksSouth Arkansas College - East Campuscollege · 5.3 miStow Lakelake · 7.0 miSouth Arkansas College - West Campuscollege · 8.0 miAnthony Lakelake · 7.8 miOuachita River Reservoirreservoir · 8.1 miCrabapple Pointcape · 8.6 miSource: USGS Geographic Names Information System
Parks and public landsMattocks Parkpark · 7.0 miLions Club Parkpark · 7.5 miMoro Bay State Parkstate park · 12.4 mi · 118 acresFelsenthal National Wildlife Refugenational wildlife refuge · 15.3 mi · 75,260 acresHuey P Long Border Marker Parkstate park · 15.8 miUpper Ouachita National Wildlife Refugenational wildlife refuge · 27.6 miSource: USGS Protected Areas Database (PAD-US)
Earthquakes5 of magnitude 3 or more within 50 miles since 19700 of magnitude 4+, 0 of magnitude 5+Largest: magnitude 3.2 on 10 Jun 199415 mi away, near Junction City, ArkansasMost recent: magnitude 3.0 on 16 May 20078 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively LowUnion County, AR, compared with all US countiesHigher-risk hazardsIce storm Very HighSource: FEMA National Risk Index (county level)
Air quality42% of days had good air in 202551 of 122 days measured71 moderate daysMedian index 52, worst day 73main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, Union County monitors, AR
Drinking waterEl Dorado Waterworksserves 17,932 people from ground water2 health-based violations since 2021latest Oct 2025: trihalomethanes (TTHM), maximum contaminant level1 monitoring or reporting violation since 2021Source: US EPA Safe Drinking Water Information System, largest system in the county
Elevation189 ft58 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalSouth Arkansas Regional Hospital8.4 miPost officeLawson Post Office2.7 miTown hallEl Dorado City Hall8.0 miPoliceUnion County Sheriff's Office6.1 miFire stationOld Union Volunteer Fire Department2.5 miSource: USGS National Structures Dataset
SchoolsWithin 2 miNo schools listedCollegeSouth Arkansas College - East Campus5.3 miSource: USGS National Structures Dataset
Getting aroundAirportSouth Arkansas Regional Airport at Goodwin Field ELD17 miUS highwayUS 632.6 miAmtrakHope, AR HOP70 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 71750 ZIP area.
