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Siloam Springs, Arkansas

Siloam Springs is a city in Benton County, Arkansas, United States, and located on the western edge of the Northwest Arkansas metropolitan area. As of the 2020 census, the population of the city was 17,287. The community was founded in 1882 and was characterized by the purported healing powers of the spring water feeding Sager Creek and trading with nearby Native American tribes. The city shares a border on the Arkansas–Oklahoma state line with the city of West Siloam Springs, Oklahoma, which is within the Cherokee Nation territory. It is home of John Brown University.

Siloam Springs, Arkansas
Clockwise, from top: Gazebo in City Park, Main Street Siloam Springs, fountain in Twin Springs Park, entrance to John Brown University, Sager Creek Arts Center, fountains in Sager Creek
Location of Siloam Springs in Benton County, Arkansas.
Coordinates: 36°11′0″N 94°32′22″W / 36.18333°N 94.53944°W / 36.18333; -94.53944
CountryUnited States
StateArkansas
CountyBenton
IncorporatedDecember 22, 1881
Government
 • TypeCity Administrator
 • MayorJudy Nation
Area
 • Total11.92 sq mi (30.87 km2)
 • Land11.75 sq mi (30.43 km2)
 • Water0.17 sq mi (0.45 km2)
Elevation1,132 ft (345 m)
Population
 (2020)
 • Total17,287
 • Density1,471.61/sq mi (568.18/km2)
Time zoneUTC-6 (Central (CST))
 • Summer (DST)UTC-5 (CDT)
ZIP code
72761
Area code479
FIPS code05-64370
GNIS feature ID0078364[2]
Websitesiloamsprings.com

History edit

 
The historic downtown of Siloam Springs was first founded as a resort town surrounding the healing waters of the springs

Osage Indians were the known first inhabitants of the area. Siloam Springs' first white settlers were of German and Scots-Irish origin. Simon Sager is considered the founder of the town, then known as Hico.[3]

In 2012, the city was named one of the 20 best small towns in America by Smithsonian magazine[4]

Geography edit

 
Sager Creek

The area is located in the Mid-South region of the country where the southern plains meet the Ozark Mountains. The city sits atop a plateau with many dogwood trees growing across the landscape.

A perennial creek, named after the founder, Sager Creek, flows through the downtown area.

According to the United States Census Bureau, the city has a total area of 11.2 square miles (28.9 km2), of which 11.1 square miles (28.7 km2) is land and 0.077 square miles (0.2 km2), or 0.71%, is water.[5]

Metropolitan area edit

The Fayetteville–Springdale–Rogers Metropolitan Area consists of three Arkansas counties: Benton, Madison, and Washington, and McDonald County, Missouri.[6] The area had a population of 347,045 at the 2000 census which had increased to 463,204 by the 2010 Census (an increase of 33.47 percent). Siloam Springs is at the extreme western edge of this area, connected to the principal cities by Highway 412.

Climate edit

The climate in this area is characterized by hot, humid summers and generally mild to cool winters. According to the Köppen Climate Classification system, Siloam Springs has a humid subtropical climate, abbreviated "Cfa" on climate maps.[7]

July is the hottest month of the year, with an average high of 89.1 °F (31.7 °C) and an average low of 68.6 °F (20.3 °C). Temperatures above 100 °F (37.8 °C) are rare but not uncommon, occurring on average twice a year. January is the coldest month with an average high of 44.3 °F (6.8 °C) and an average low of 24.2 °F (−4.3 °C). Highs below 32 °F (0.0 °C) occur on average thirteen times a year, with 2.2 nights per year dropping below 0 °F (−17.8 °C). The city's highest temperature was 111 °F (43.9 °C), recorded on July 14, 1954. The lowest temperature recorded was −24 °F (−31.1 °C), on February 12, 1899.

Precipitation is weakly seasonal, with a bimodal pattern: wet seasons in the spring and fall, and relatively drier summers and winters, but some rain in all months. The spring wet season is more pronounced than fall, with the highest rainfall in May. This differs slightly from the climate in central Arkansas, where the fall wet season is more comparable to spring.

Climate data for Siloam Springs, Arkansas (1981–2010 normals)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °F (°C) 77
(25)
83
(28)
90
(32)
91
(33)
92
(33)
103
(39)
111
(44)
109
(43)
102
(39)
96
(36)
83
(28)
79
(26)
111
(44)
Mean daily maximum °F (°C) 45
(7)
51
(11)
59
(15)
69
(21)
76
(24)
84
(29)
89
(32)
89
(32)
81
(27)
71
(22)
57
(14)
48
(9)
68
(20)
Mean daily minimum °F (°C) 23
(−5)
28
(−2)
36
(2)
44
(7)
53
(12)
62
(17)
67
(19)
66
(19)
59
(15)
47
(8)
36
(2)
27
(−3)
46
(8)
Record low °F (°C) −12
(−24)
−14
(−26)
−7
(−22)
20
(−7)
30
(−1)
43
(6)
46
(8)
42
(6)
31
(−1)
20
(−7)
5
(−15)
−8
(−22)
−14
(−26)
Average precipitation inches (mm) 2.27
(58)
2.20
(56)
4.32
(110)
4.31
(109)
5.20
(132)
4.84
(123)
3.54
(90)
3.35
(85)
5.05
(128)
3.68
(93)
4.82
(122)
3.42
(87)
47
(1,193)
Average snowfall inches (cm) 3.3
(8.4)
1.6
(4.1)
1.9
(4.8)
0
(0)
0
(0)
0
(0)
0
(0)
0
(0)
0
(0)
0.1
(0.25)
0.2
(0.51)
2.0
(5.1)
9.1
(23.16)
Source: The Weather Channel[8]

Demographics edit

Historical population
CensusPop.Note
188095
1890821764.2%
19001,748112.9%
19102,40537.6%
19202,5696.8%
19302,378−7.4%
19402,76416.2%
19503,27018.3%
19603,95320.9%
19706,00952.0%
19807,94032.1%
19908,1512.7%
200010,84333.0%
201015,03938.7%
202017,28714.9%
U.S. Decennial Census[9]

2020 census edit

Siloam Springs racial composition[10]
Race Number Percentage
White (non-Hispanic) 10,175 58.86%
Black or African American (non-Hispanic) 184 1.06%
Native American 737 4.26%
Asian 345 2.0%
Pacific Islander 32 0.19%
Other/Mixed 1,477 8.54%
Hispanic or Latino 4,337 25.09%

As per the 2020 United States Census, there were 17,287 people, 5,382 households, and 3,980 families residing in the city.

2010 census edit

As of the census[11] of 2010, there were 15,039 people in 5,138 households with 93.3% of the population in households. The racial and ethnic composition of the population was 76% non-Hispanic white, 0.8% black, 4.6% Native American, 1.6% Asian, 0.2% non-Hispanic reporting some other race, 5.0% from two or more races and 20.8% Hispanic or Latino.[12]

2000 census edit

At the 2000 census, there were 2,647 families residing in the city. The population density was 1,027.2 inhabitants per square mile (396.6/km2). There were 4,223 housing units at an average density of 400.1 per square mile (154.5/km2). The racial makeup of the city was 85.22% White, 0.49% Black or African American, 4.29% Native American, 0.83% Asian, 0.08% Pacific Islander, 5.67% from other races, and 3.42% from two or more races. 14.00% of the population were Hispanic or Latino of any race.

There were 3,894 households, out of which 34.8% had children under the age of 18 living with them, 53.8% were married couples living together, 10.6% had a female householder with no husband present, and 32.0% were non-families. 26.9% of all households were made up of individuals, and 11.9% had someone living alone who was 65 years of age or older. The average household size was 2.57 and the average family size was 3.11.

Income for a household in the city was $34,513, and the median income for a family was $41,153. Males had a median income of $27,339 versus $21,451 for females. The per capita income for the city was $16,047. About 9.5% of families and 12.5% of the population were below the poverty line, including 17.6% of those under age 18 and 8.6% of those age 65 or over.

As of 2009, there were 52 churches that called Siloam Springs home by address. There are reports that Siloam Springs has a record for most number churches per capita, and while the ratio is higher than average, it has never been verified through reliable documentation. (Despite the large number of churches, the town does contain a small atheist/non-religious community.)

Major employers in Siloam Springs include Simmons Foods,[13] Gates Corporation, La-Z-Boy, DaySpring (a subsidiary of Hallmark Cards), Cobb-Vantress, and John Brown University.

Arts and culture edit

Annual cultural events edit

Event Time of year Attendance (approx.)
Dogwood Festival April (last weekend) 30,000
Homegrown Festival October 3,000
Siloam Springs Rodeo June 10,000
Light Up Siloam Christmas Parade December (first Saturday) 6,500
City Fireworks Presentation July 4 6,000
Northwest Arkansas Marching Band Invitational October 2,500
JBU Candlelight Christmas Concerts December 3,000
JBU Homecoming October 1,000
Siloam Springs Music Games (Marching Band Competition) July 2,000
Siloam Springs Center for the Arts All year 10,000 per year

Government edit

Siloam Springs has a city administrator form of government. The government body consists of the mayor, board of directors and district judge. All positions are chosen by election. The other officials and commissioners are appointed with Board approval.

Education edit

 
John Brown University

In addition to John Brown University, public education is supported by the Siloam Springs School District consisting of:

  • Siloam Springs High School (grades 9–12)
  • Siloam Springs Middle School (grades 7–8)
  • Siloam Springs Intermediate School (grades 5–6)
  • Southside Elementary School (grades 3–4)
  • Allen Elementary School (grades 1 & 2)
  • Northside Elementary School (grades Pre-K & K)
  • Siloam Springs Virtual Academy (grades K–12)

Infrastructure edit

Transportation edit

Siloam Springs traffic is primarily served by US 412 for east–west travel, connecting the city to Tulsa, Oklahoma, to the west via the Cherokee Turnpike and to Bentonville, Fayetteville, and Springdale, Arkansas, to the east. US 59 runs south from West Siloam Springs to Stilwell and Sallisaw, Oklahoma, while Arkansas 59 runs north to Gravette and south to Van Buren and Fort Smith, Arkansas. Within the city, major routes include Cheri Whitlock Drive, Lincoln Street, Main Street, Mount Olive Street, and University Street.

Smith Field, located east of town, serves small business jets as well as double- and single-engine aircraft. It serves exclusively general aviation operations.

Commercial air transportation is available from Northwest Arkansas Regional Airport, about 21 miles (34 km) to the east-northeast.[14]

Utilities edit

 
Primary clarifier (foreground) and aeration basins (background) at Siloam Springs Wastewater Treatment Plant

The city's primary water source is the Illinois River, although some water is purchased from Benton - Washington Regional Public Water Authority, whose source is Beaver Lake.[15] The water is treated with chlorine, and the by-products of this chlorination process are kept compliant with the Arkansas Department of Health standards. Fluoride is added to supplement the naturally occurring amount present prior to treatment.

Wastewater is treated at the Siloam Springs Wastewater Treatment Plant (SSWWTP). Since effluent is discharged into a tributary of the Illinois, the plant's effluent is required to meet the treatment standards of both Arkansas and Oklahoma. The phosphorus load of the Illinois has been subject of controversy in the area, even reaching the United States Supreme Court in 1992. The Environmental Protection Agency (EPA) has classified the Illinois as Section 303(d) of the Clean Water Act, listing it as an "impaired and threatened water" due to the high phosphorus loads.[16] As a result of the applicable strict phosphorus effluent regulations, SSWWTP upgraded its system in 2011. The upgrades also increased capacity 25% to 5.5 million gallons per day (MGD) (14,474 liters per hour).[17] Although presently a traditional biological nutrient removal (BNR) plant capable of meeting the interim phosphorus limit, pilot tests have proven a chemical nutrient removal (CNR) and membrane biological reactor combination to be effective well below the possible future permit limit. However, due to the high cost, these phases have been delayed. Currently, a 3-year study is being conducted to determine the background phosphorus level in the Illinois. The future effluent limits will likely be written following the conclusion of the study. An EPA total maximum daily load (TMDL) study in the watershed is also ongoing.[18]

Notable people edit

See also edit

References edit

  1. ^ "2020 U.S. Gazetteer Files". United States Census Bureau. Retrieved October 29, 2021.
  2. ^ a b U.S. Geological Survey Geographic Names Information System: Siloam Springs, Arkansas
  3. ^ Warden, Don (March 1, 2012). "Siloam Springs (Benton County)". Encyclopedia of Arkansas History and Culture. Butler Center for Arkansas Studies at the Central Arkansas Library System. Retrieved August 16, 2013.
  4. ^ "The 20 Best Small Towns in America of 2012".
  5. ^ "Geographic Identifiers: 2010 Demographic Profile Data (G001): Siloam Springs city, Arkansas". U.S. Census Bureau, American Factfinder. Archived from the original on February 12, 2020. Retrieved September 23, 2013.
  6. ^ "Update of Statistical Area Definitions and Guidance on Their Uses" (PDF). Executive office of the President Office of Management and Budget. December 1, 2009. p. 32. (PDF) from the original on January 21, 2017. Retrieved January 13, 2013.
  7. ^ "Siloam Springs, Arkansas Köppen Climate Classification (Weatherbase)". Weatherbase.
  8. ^ "Monthly Averages for Siloam Springs, AR" (Table). The Weather Channel. Retrieved September 27, 2021.
  9. ^ "Census of Population and Housing". Census.gov. Retrieved June 4, 2015.
  10. ^ "Explore Census Data". data.census.gov. Retrieved January 1, 2022.
  11. ^ "U.S. Census website". United States Census Bureau. Retrieved January 31, 2008.
  12. ^ 2010 general profile of population and housing characteristics for Siloam Springs from the US census
  13. ^ Wilson, Kristen. "Simmons Foods facility creating new jobs in Siloam Springs". KATV. Retrieved April 10, 2018.
  14. ^ "Northwest Arkansas Regional Airport to Siloam Springs". Google Maps. Retrieved May 12, 2021.
  15. ^ "Annual Drinking Water Quality Report". Siloam Springs Water Department. 2012. {{cite web}}: Missing or empty |url= (help)
  16. ^ "Illinois River Watershed". Environmental Protection Agency. May 22, 2013. Retrieved July 21, 2013.
  17. ^ Hetzel, Jon (February 2007). "Arkansas wastewater treatment plant pilots path to fledgling technology". APWA. Retrieved July 20, 2013.
  18. ^ "Oklahoma Attorney General's Office, Arkansas AG Sign Illinois River Agreement". State of Oklahoma Attorney General's Office. February 20, 2013. Retrieved December 10, 2013.

External links edit

  • City of Siloam Springs official website

siloam, springs, arkansas, siloam, springs, redirects, here, other, uses, siloam, springs, disambiguation, siloam, springs, city, benton, county, arkansas, united, states, located, western, edge, northwest, arkansas, metropolitan, area, 2020, census, populatio. Siloam Springs redirects here For other uses see Siloam Springs disambiguation Siloam Springs is a city in Benton County Arkansas United States and located on the western edge of the Northwest Arkansas metropolitan area As of the 2020 census the population of the city was 17 287 The community was founded in 1882 and was characterized by the purported healing powers of the spring water feeding Sager Creek and trading with nearby Native American tribes The city shares a border on the Arkansas Oklahoma state line with the city of West Siloam Springs Oklahoma which is within the Cherokee Nation territory It is home of John Brown University Siloam Springs ArkansasCityClockwise from top Gazebo in City Park Main Street Siloam Springs fountain in Twin Springs Park entrance to John Brown University Sager Creek Arts Center fountains in Sager CreekLocation of Siloam Springs in Benton County Arkansas Coordinates 36 11 0 N 94 32 22 W 36 18333 N 94 53944 W 36 18333 94 53944CountryUnited StatesStateArkansasCountyBentonIncorporatedDecember 22 1881Government TypeCity Administrator MayorJudy NationArea 1 Total11 92 sq mi 30 87 km2 Land11 75 sq mi 30 43 km2 Water0 17 sq mi 0 45 km2 Elevation 2 1 132 ft 345 m Population 2020 Total17 287 Density1 471 61 sq mi 568 18 km2 Time zoneUTC 6 Central CST Summer DST UTC 5 CDT ZIP code72761Area code479FIPS code05 64370GNIS feature ID0078364 2 Websitesiloamsprings com Contents 1 History 2 Geography 2 1 Metropolitan area 2 2 Climate 3 Demographics 3 1 2020 census 3 2 2010 census 3 3 2000 census 4 Arts and culture 4 1 Annual cultural events 5 Government 6 Education 7 Infrastructure 7 1 Transportation 7 2 Utilities 8 Notable people 9 See also 10 References 11 External linksHistory edit nbsp The historic downtown of Siloam Springs was first founded as a resort town surrounding the healing waters of the springs Osage Indians were the known first inhabitants of the area Siloam Springs first white settlers were of German and Scots Irish origin Simon Sager is considered the founder of the town then known as Hico 3 In 2012 the city was named one of the 20 best small towns in America by Smithsonian magazine 4 Geography edit nbsp Sager Creek The area is located in the Mid South region of the country where the southern plains meet the Ozark Mountains The city sits atop a plateau with many dogwood trees growing across the landscape A perennial creek named after the founder Sager Creek flows through the downtown area According to the United States Census Bureau the city has a total area of 11 2 square miles 28 9 km2 of which 11 1 square miles 28 7 km2 is land and 0 077 square miles 0 2 km2 or 0 71 is water 5 Metropolitan area edit The Fayetteville Springdale Rogers Metropolitan Area consists of three Arkansas counties Benton Madison and Washington and McDonald County Missouri 6 The area had a population of 347 045 at the 2000 census which had increased to 463 204 by the 2010 Census an increase of 33 47 percent Siloam Springs is at the extreme western edge of this area connected to the principal cities by Highway 412 Climate edit The climate in this area is characterized by hot humid summers and generally mild to cool winters According to the Koppen Climate Classification system Siloam Springs has a humid subtropical climate abbreviated Cfa on climate maps 7 July is the hottest month of the year with an average high of 89 1 F 31 7 C and an average low of 68 6 F 20 3 C Temperatures above 100 F 37 8 C are rare but not uncommon occurring on average twice a year January is the coldest month with an average high of 44 3 F 6 8 C and an average low of 24 2 F 4 3 C Highs below 32 F 0 0 C occur on average thirteen times a year with 2 2 nights per year dropping below 0 F 17 8 C The city s highest temperature was 111 F 43 9 C recorded on July 14 1954 The lowest temperature recorded was 24 F 31 1 C on February 12 1899 Precipitation is weakly seasonal with a bimodal pattern wet seasons in the spring and fall and relatively drier summers and winters but some rain in all months The spring wet season is more pronounced than fall with the highest rainfall in May This differs slightly from the climate in central Arkansas where the fall wet season is more comparable to spring Climate data for Siloam Springs Arkansas 1981 2010 normals Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year Record high F C 77 25 83 28 90 32 91 33 92 33 103 39 111 44 109 43 102 39 96 36 83 28 79 26 111 44 Mean daily maximum F C 45 7 51 11 59 15 69 21 76 24 84 29 89 32 89 32 81 27 71 22 57 14 48 9 68 20 Mean daily minimum F C 23 5 28 2 36 2 44 7 53 12 62 17 67 19 66 19 59 15 47 8 36 2 27 3 46 8 Record low F C 12 24 14 26 7 22 20 7 30 1 43 6 46 8 42 6 31 1 20 7 5 15 8 22 14 26 Average precipitation inches mm 2 27 58 2 20 56 4 32 110 4 31 109 5 20 132 4 84 123 3 54 90 3 35 85 5 05 128 3 68 93 4 82 122 3 42 87 47 1 193 Average snowfall inches cm 3 3 8 4 1 6 4 1 1 9 4 8 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 25 0 2 0 51 2 0 5 1 9 1 23 16 Source The Weather Channel 8 Demographics editHistorical population CensusPop Note 188095 1890821764 2 19001 748112 9 19102 40537 6 19202 5696 8 19302 378 7 4 19402 76416 2 19503 27018 3 19603 95320 9 19706 00952 0 19807 94032 1 19908 1512 7 200010 84333 0 201015 03938 7 202017 28714 9 U S Decennial Census 9 2020 census edit Siloam Springs racial composition 10 Race Number Percentage White non Hispanic 10 175 58 86 Black or African American non Hispanic 184 1 06 Native American 737 4 26 Asian 345 2 0 Pacific Islander 32 0 19 Other Mixed 1 477 8 54 Hispanic or Latino 4 337 25 09 As per the 2020 United States Census there were 17 287 people 5 382 households and 3 980 families residing in the city 2010 census edit As of the census 11 of 2010 there were 15 039 people in 5 138 households with 93 3 of the population in households The racial and ethnic composition of the population was 76 non Hispanic white 0 8 black 4 6 Native American 1 6 Asian 0 2 non Hispanic reporting some other race 5 0 from two or more races and 20 8 Hispanic or Latino 12 2000 census edit At the 2000 census there were 2 647 families residing in the city The population density was 1 027 2 inhabitants per square mile 396 6 km2 There were 4 223 housing units at an average density of 400 1 per square mile 154 5 km2 The racial makeup of the city was 85 22 White 0 49 Black or African American 4 29 Native American 0 83 Asian 0 08 Pacific Islander 5 67 from other races and 3 42 from two or more races 14 00 of the population were Hispanic or Latino of any race There were 3 894 households out of which 34 8 had children under the age of 18 living with them 53 8 were married couples living together 10 6 had a female householder with no husband present and 32 0 were non families 26 9 of all households were made up of individuals and 11 9 had someone living alone who was 65 years of age or older The average household size was 2 57 and the average family size was 3 11 Income for a household in the city was 34 513 and the median income for a family was 41 153 Males had a median income of 27 339 versus 21 451 for females The per capita income for the city was 16 047 About 9 5 of families and 12 5 of the population were below the poverty line including 17 6 of those under age 18 and 8 6 of those age 65 or over As of 2009 update there were 52 churches that called Siloam Springs home by address There are reports that Siloam Springs has a record for most number churches per capita and while the ratio is higher than average it has never been verified through reliable documentation Despite the large number of churches the town does contain a small atheist non religious community Major employers in Siloam Springs include Simmons Foods 13 Gates Corporation La Z Boy DaySpring a subsidiary of Hallmark Cards Cobb Vantress and John Brown University Arts and culture editSee also Culture of Arkansas Annual cultural events edit Event Time of year Attendance approx Dogwood Festival April last weekend 30 000 Homegrown Festival October 3 000 Siloam Springs Rodeo June 10 000 Light Up Siloam Christmas Parade December first Saturday 6 500 City Fireworks Presentation July 4 6 000 Northwest Arkansas Marching Band Invitational October 2 500 JBU Candlelight Christmas Concerts December 3 000 JBU Homecoming October 1 000 Siloam Springs Music Games Marching Band Competition July 2 000 Siloam Springs Center for the Arts All year 10 000 per yearGovernment editSiloam Springs has a city administrator form of government The government body consists of the mayor board of directors and district judge All positions are chosen by election The other officials and commissioners are appointed with Board approval Education edit nbsp John Brown University In addition to John Brown University public education is supported by the Siloam Springs School District consisting of Siloam Springs High School grades 9 12 Siloam Springs Middle School grades 7 8 Siloam Springs Intermediate School grades 5 6 Southside Elementary School grades 3 4 Allen Elementary School grades 1 amp 2 Northside Elementary School grades Pre K amp K Siloam Springs Virtual Academy grades K 12 Infrastructure editTransportation edit Siloam Springs traffic is primarily served by US 412 for east west travel connecting the city to Tulsa Oklahoma to the west via the Cherokee Turnpike and to Bentonville Fayetteville and Springdale Arkansas to the east US 59 runs south from West Siloam Springs to Stilwell and Sallisaw Oklahoma while Arkansas 59 runs north to Gravette and south to Van Buren and Fort Smith Arkansas Within the city major routes include Cheri Whitlock Drive Lincoln Street Main Street Mount Olive Street and University Street Smith Field located east of town serves small business jets as well as double and single engine aircraft It serves exclusively general aviation operations Commercial air transportation is available from Northwest Arkansas Regional Airport about 21 miles 34 km to the east northeast 14 Utilities edit nbsp Primary clarifier foreground and aeration basins background at Siloam Springs Wastewater Treatment Plant The city s primary water source is the Illinois River although some water is purchased from Benton Washington Regional Public Water Authority whose source is Beaver Lake 15 The water is treated with chlorine and the by products of this chlorination process are kept compliant with the Arkansas Department of Health standards Fluoride is added to supplement the naturally occurring amount present prior to treatment Wastewater is treated at the Siloam Springs Wastewater Treatment Plant SSWWTP Since effluent is discharged into a tributary of the Illinois the plant s effluent is required to meet the treatment standards of both Arkansas and Oklahoma The phosphorus load of the Illinois has been subject of controversy in the area even reaching the United States Supreme Court in 1992 The Environmental Protection Agency EPA has classified the Illinois as Section 303 d of the Clean Water Act listing it as an impaired and threatened water due to the high phosphorus loads 16 As a result of the applicable strict phosphorus effluent regulations SSWWTP upgraded its system in 2011 The upgrades also increased capacity 25 to 5 5 million gallons per day MGD 14 474 liters per hour 17 Although presently a traditional biological nutrient removal BNR plant capable of meeting the interim phosphorus limit pilot tests have proven a chemical nutrient removal CNR and membrane biological reactor combination to be effective well below the possible future permit limit However due to the high cost these phases have been delayed Currently a 3 year study is being conducted to determine the background phosphorus level in the Illinois The future effluent limits will likely be written following the conclusion of the study An EPA total maximum daily load TMDL study in the watershed is also ongoing 18 Notable people editDuncan Baird Republican politician from District 96 in Benton County graduated from Siloam Springs High School Jonathan Barnett Republican politician from District 87 in Benton and Washington counties Preston Bynum a lobbyist in Little Rock served as the state representative from Siloam Springs from 1969 to 1980 Mike Flynn radio personality hosts the NPR program The Folk Sampler Alice Ghostley actress spent a number of years in Siloam Springs as a youth Jim Winn Major League Baseball pitcher went to John Brown University in Siloam Springs Jonathan Earl Woods Republican politician served as former member of both houses of the Arkansas General AssemblySee also edit nbsp United States portal Arkansas Highway 99 a former highway designation in Siloam SpringsReferences edit 2020 U S Gazetteer Files United States Census Bureau Retrieved October 29 2021 a b U S Geological Survey Geographic Names Information System Siloam Springs Arkansas Warden Don March 1 2012 Siloam Springs Benton County Encyclopedia of Arkansas History and Culture Butler Center for Arkansas Studies at the Central Arkansas Library System Retrieved August 16 2013 The 20 Best Small Towns in America of 2012 Geographic Identifiers 2010 Demographic Profile Data G001 Siloam Springs city Arkansas U S Census Bureau American Factfinder Archived from the original on February 12 2020 Retrieved September 23 2013 Update of Statistical Area Definitions and Guidance on Their Uses PDF Executive office of the President Office of Management and Budget December 1 2009 p 32 Archived PDF from the original on January 21 2017 Retrieved January 13 2013 Siloam Springs Arkansas Koppen Climate Classification Weatherbase Weatherbase Monthly Averages for Siloam Springs AR Table The Weather Channel Retrieved September 27 2021 Census of Population and Housing Census gov Retrieved June 4 2015 Explore Census Data data census gov Retrieved January 1 2022 U S Census website United States Census Bureau Retrieved January 31 2008 2010 general profile of population and housing characteristics for Siloam Springs from the US census Wilson Kristen Simmons Foods facility creating new jobs in Siloam Springs KATV Retrieved April 10 2018 Northwest Arkansas Regional Airport to Siloam Springs Google Maps Retrieved May 12 2021 Annual Drinking Water Quality Report Siloam Springs Water Department 2012 a href Template Cite web html title Template Cite web cite web a Missing or empty url help Illinois River Watershed Environmental Protection Agency May 22 2013 Retrieved July 21 2013 Hetzel Jon February 2007 Arkansas wastewater treatment plant pilots path to fledgling technology APWA Retrieved July 20 2013 Oklahoma Attorney General s Office Arkansas AG Sign Illinois River Agreement State of Oklahoma Attorney General s Office February 20 2013 Retrieved December 10 2013 External links editCity of Siloam Springs official website Retrieved from https en wikipedia org w index php title Siloam Springs Arkansas amp oldid 1220066190, wikipedia, wiki, book, books, library,

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