§259.APPENDIX F. Approximate Cation Exchange Capacities (CEC) of Illinois Soils

This data was provided by Professor R. G. Hoeft, Department of Crop Sciences, University of Illinois at Urbana-Champaign

 

Soil Name	CEC (meq/100g)
Ade loamy fine sand	<8
Adrian muck	>100
Aholt silty clay	>24
Alford silt loam	8-15
Alford-Baxter complex	8-15
Alford-Bold complex	8-15
Alford-Hickory complex	8-15
Alford-Hurst silty clay loams	8-15
Alford-Ursa silt loams	8-15
Alford-Wellston silt loams	8-15
Alford-Westmore silt loams	8-15
Algansee fine sandy loam	<8
Allison silty clay loam	>24
Alvin fine sandy loam	<8
Alvin-Lamont complex	<8
Ambraw clay loam	15-24
Ambraw silty clay loam, sandy substratum	15-24
Ambraw-Ceresco-Sarpy complex	8-15
Andres silt loam	15-24
Appleriver silt loam	8-15
Aptakisic silt loam	8-15
Aptakisic and Nappanee silt loams	8-15
Arenzville silt loam	8-15
Argyle silt loam	15-24
Armiesburg silty clay loam	15-24
Ashdale silt loam	15-24
Ashkum silty clay loam	>24
Assumption silt loam	15-24
Atkinson loam	8-15
Atlas silt loam	8-15
Atlas-Grantfork complex	8-15
Atlas-Grantfork variant complex	8-15
Atterberry silt loam	8-15
Aurelius muck	>100
Aurelius muck, sandy substratum	>100
Ava silt loam	8-15
Ava-Blair complex	8-15
Ava-Hickory complex	8-15
Aviston silt loam	15-24
Ayr sandy loam	<8
Backbone loamy sand	8-15
Banlic silt loam	8-15
Barony silt loam	15-24
Barrington silt loam	15-24
Barrington and Varna silt loams	15-24
Bartelso silt loam	15-24
Batavia silt loam	8-15
Baxter cherty silt loam	8-15
Baylis silt loam	8-15
Beardstown loam	8-15
Beasley silt loam	8-15
Beaucoup silty clay loam	>24
Beavercreek loam	<8
Bedford silt loam	8-15
Beecher silt loam	8-15
Belknap silt loam	8-15
Berks loam	8-15
Bertrand silt loam	8-15
Bethalto silt loam	15-24
Biddle silt loam	15-24
Biggsville silt loam	>24
Biggsville-Mannon silt loams	15-24
Billett sandy loam	<8
Binghampton sandy loam	8-15
Birds silt loam	8-15
Birkbeck silt loam	8-15
Birkbeck-Miami silt loams	8-15
Blackoar silt loam	15-24
Blair silt loam	8-15
Blair-Atlas silt loams	8-15
Blair-Grantfork complex	8-15
Blair-Ursa silt loams	8-15
Blake silty clay loam	15-24
Blake-Beaucoup complex	15-24
Bloomfield fine sand	<8
Blount silt loam	8-15
Bluford silt loam	8-15
Bluford silt loam, bench	15-24
Bluford-Darmstadt complex	8-15
Blyton silt loam	<8
Bold silt loam	8-15
Bonfield silt loam	8-15
Bonnie silt loam	8-15
Booker silty clay	>24
Boone loamy fine sand	<8
Bowdre silty clay	>24
Bowes silt loam	8-15
Boyer sandy loam	<8
Brandon and Saffell soils	8-15
Breeds silty clay loam	15-24
Brenton silt loam	15-24
Broadwell silt loam	15-24
Brooklyn silt loam	15-24
Brookside stony silty  clay loam	15-24
Brouillett silt loam	15-24
Bryce silty clay	>24
Bryce-Calamine variant complex	15-24
Bunkum silty clay loam	15-24
Bunkum-Atlas silty clay loams	8-15
Bunkum-Coulterville silty clay loams	8-15
Burkhardt-Saude complex	8-15
Burksville silt loam	8-15
Burnside silt loam	8-15
Cairo silty clay	>24
Calamine silt loam	15-24
Calco silty clay loam	>24
Camden silt loam	8-15
Camden silt loam, sandy substratum	8-15
Canisteo silt loam	>24
Canisteo silt loam, sandy substratum	>24
Cape silty clay loam	15-24
Caprell silt loam	8-15
Carmi sandy loam	8-15
Casco silt loam	8-15
Casco-Fox complex	8-15
Caseyville silt loam	8-15
Catlin silt loam	15-24
Catlin-Saybrook complex	15-24
Ceresco loam	15-24
Channahon silt loam	15-24
Chaseburg silt loam	15-24
Chatsworth silt loam	8-15
Chauncey silt loam	8-15
Chautauqua silty clay loam	15-24
Chelsea loamy fine sand	<8
Chenoa silt loam	>24
Chute fine sand	<8
Cisne silt loam	8-15
Cisne silt loam, bench	8-15
Cisne-Huey complex	8-15
Cisne-Piasa complex	8-15
Clare silt loam	15-24
Clarence silty clay loam	>24
Clarksdale silt loam	8-15
Clarksville cherty silt loam	8-15
Clinton silt loam	8-15
Clinton-El Dara complex	<8
Clyde clay loam	>24
Coatsburg silt loam	15-24
Coffeen silt loam	15-24
Cohoctah loam	15-24
Colo silty clay loam	>24
Coloma silt loam	<8
Colp silt loam	8-15
Comfrey clay loam	>24
Coot loam	8-15
Copperas silty clay loam	15-24
Corwin silt loam	15-24
Coulterville silt loam	<8
Coulterville-Darmstadt complex	<8
Coulterville-Grantfork silty clay loams	<8
Coulterville-Hoyleton-Darmstadt complex	<8
Coulterville-Oconee silt loams	<8
Cowden silt loam	8-15
Cowden-Piasa complex	8-15
Coyne fine sandy loam	8-15
Craigmile sandy loam	<8
Crane silt loam	15-24
Crawleyville fine sandy loam	<8
Creal silt loam	8-15
Crider silt loam	8-15
Dakota silt loam	8-15
Dana silt loam	15-24
Danabrook silt loam	15-24
Darmstadt silt loam	8-15
Darmstadt-Grantfork complex	8-15
Darmstadt-Oconee silt loams	8-15
Darroch silt loam	15-24
Darwin silty clay	>24
Del Rey silt loam	8-15
Denny silt loam	8-15
Denrock silt loam	15-24
Derinda silt loam	8-15
Dickinson sandy loam	8-15
Dickinson sandy loam, loamy substratum	8-15
Dickinson-Hamburg complex	8-15
Dickinson-Onarga complex	8-15
Disco sandy loam	8-15
Dockery silt loam	8-15
Dodge silt loam	8-15
Dodgeville silt loam	15-24
Dorchester silt loam	8-15
Dorchester silt loam, cobbly substratum	8-15
Douglas silt loam	15-24
Dowagiac silt loam	8-15
Downs silt loam	8-15
Downsouth silt loam	15-24
Dresden silt loam	15-24
Drummer silty clay loam	>24
Drummer silty clay loam, gravelly substratum	>24
Drummer silty clay loam, till substratum	>24
Drury silt loam	8-15
Du Page silt loam	15-24
Dubuque silt loam	8-15
Dubuque and Dunbarton soils	8-15
Dubuque and Palsgrove soils	8-15
Dubuque-Orthents- Fayette Complex	8-15
Dunbarton silt loam	8-15
Dunbarton silt loam, cherty variant	8-15
Dunbarton-Dubuque complex	8-15
Dunham silty clay loam	>24
Dupo silt loam	8-15
Durand silt loam	15-24
Ebbert silt loam	15-24
Eden silty clay loam	>24
Edgington silt loam	15-24
Edinburg silty clay loam	>24
Edmund silt loam	15-24
Edwards muck	>100
Edwardsville silt loam	>24
El Dara sandy loam	<8
Elburn silt loam	15-24
Elburn silt loam, gravelly substratum	15-24
Elco silt loam	8-15
Elco-Atlas silt loams	8-15
Elco-Ursa silt loams	8-15
Eleroy silt loam	8-15
Eleroy and Derinda soils	8-15
Eleva sandy loam	<8
Elizabeth silt loam	15-24
Elkhart silt loam	15-24
Elliott silt loam	15-24
Elpaso silty clay loam	>24
Elsah cherty silt loam	8-15
Elvers silt loam	8-15
Emery silt loam	15-24
Emma silty clay loam	15-24
Evansville silt loam	8-15
Faxon clay loam	15-24
Faxon-Ripon complex	15-24
Fayette silt loam	8-15
Fayette silty clay loam, karst	<8
Fayette silt loam, sandy substratum	15-24
Fayette silt loam, till substratum	8-15
Fayette-Clarksville complex	8-15
Fayette-Hickory complex	8-15
Fayette-Westville complex	8-15
Fella silty clay loam	>24
Fieldon silt loam	15-24
Fincastle silt loam	8-15
Fishhook silt loam	8-15
Fishhook-Atlas complex	8-15
Flagg silt loam	8-15
Flagler sandy loam	8-15
Flanagan silt loam	15-24
Floraville silt loam	8-15
Fosterburg silt loam	>24
Fox silt loam	8-15
Frankfort silt loam	8-15
Frankville silt loam	15-24
Friesland sandy loam	8-15
Frondorf loam	8-15
Fults silty clay	>24
Gale silt loam	8-15
Geff silt loam	8-15
Genesee silt loam	8-15
Geryune silt loam	15-24
Gilford fine sandy loam	8-15
Ginat silt loam	8-15
Gorham silty clay loam	>24
Gosport silt loam	8-15
Goss gravelly silt loam	8-15
Goss-Alford complex	8-15
Granby loamy sand	<8
Grantfork silty clay loam	8-15
Grantsburg silt loam	8-15
Graymont silt loam	15-24
Grays silt loam	8-15
Grays and Markham silt loams	8-15
Greenbush silt loam	15-24
Grellton sandy loam	<8
Griswold loam	8-15
Grundelein silt loam	>24
Hamburg silt loam	8-15
Harco silt loam	15-24
Harpster silty clay loam	>24
Harrison silt loam	15-24
Hartsburg silty clay loam	>24
Harvard silt loam	8-15
Hayfield loam	8-15
Haymond silt loam	8-15
Haynie silt loam	8-15
Hennepin loam	<8
Hennepin and Miami soils	<8
Hennepin-Casco complex	<8
Hennepin-Vanmeter complex	8-15
Henshaw silt loam	8-15
Herbert silt loam	8-15
Herrick silt loam	15-24
Herrick-Biddle-Piasa silt loams	15-24
Herrick-Piasa complex	15-24
Hesch fine sandy loam	8-15
Hesch fine sandy loam, gray subsoil variant	8-15
Hesch loamy sand, shallow variant	8-15
Hickory loam	8-15
Hickory and Hennepin soils	8-15
Hickory and Sylvan soils	8-15
Hickory-Atlas complex	8-15
Hickory-Clinton complex	8-15
Hickory-Gosport complex	8-15
Hickory-Hennepin complex	8-15
Hickory-High Gap silt loams	8-15
Hickory-Hosmer silt loams	8-15
Hickory-Kell silt loams	8-15
Hickory-Negley complex	8-15
Hickory-Sylvan complex	8-15
Hickory-Sylvan-Fayette silt loams	8-15
Hickory-Wellston silt loams	8-15
High Gap loam	8-15
Hitt silt loam	15-24
Holly silt loam	15-24
Holton silt loam	8-15
Homen silt loam	15-24
Homer silt loam	8-15
Hononegah loamy coarse sand	<8
Hoopeston sandy loam	8-15
Hooppole loam	15-24
Hosmer silt loam	8-15
Hosmer-Lax silt loams	8-15
Hosmer-Ursa silt loams	8-15
Houghton muck	>100
Houghton peat	>100
Hoyleton silt loam	8-15
Hoyleton silt loam, bench	8-15
Hoyleton-Darmstadt complex	8-15
Hoyleton-Tamalco complex	8-15
Huey silt loam	8-15
Huntington silt loam	15-24
Huntsville silt loam	15-24
Hurst silt loam	8-15
Hurst silt loam, sandy substratum	8-15
Iona silt loam	8-15
Ipava silt loam	15-24
Ipava-Sable complex	15-24
Ipava-Tama complex	15-24
Iva silt loam	8-15
Jacob clay	15-24
Jasper silt loam	15-24
Jasper silt loam, sandy substratum	15-24
Joliet silty clay loam	>24
Joslin silt loam	15-24
Joy silt loam	15-24
Joyce silt loam	15-24
Joy silt loam, sandy substratum	15-24
Jules silt loam	8-15
Juneau silt loam	8-15
Kane silt loam	15-24
Kaneville silt loam	15-24
Kankakee fine sandy loam	8-15
Karnak silty clay	15-24
Kell silt loam	8-15
Keller silt loam	15-24
Keller-Coatsburg complex	15-24
Keltner silt loam	15-24
Kendall silt loam	8-15
Kendall silt loam, sandy substratum	8-15
Keomah silt loam	8-15
Kernan silt loam	8-15
Keswick loam	>24
Kidami silt loam	8-15
Kidder silt loam	<8
Kish loam	>24
Kishwaukee silt loam	15-24
Knight silt loam	15-24
La Hogue loam	8-15
La Rose silt loam	8-15
Lacrescent cobbly silty clay loam	15-24
Lahoguess loam	15-24
Lakaskia silt loam	15-24
Lamoille silt loam	15-24
Lamont fine sandy loam	<8
Lamont, Tell, and Bloomfield soils	<8
Landes fine sandy loam	8-15
Lanier fine sandy loam	8-15
Lawler loam	8-15
Lawndale silt loam	15-24
Lawson silt loam	15-24
Lax silt loam	8-15
Lena muck	>100
Lenzburg silt loam	15-24
Lenzburg silt loam, acid substratum	15-24
Lenzlo silty clay loam	15-24
Lenzwheel silty clay loam	15-24
Lindley loam	8-15
Lisbon silt loam	15-24
Lismod silt loam	15-24
Littleton silt loam	15-24
Lomax loam	8-15
Loran silt loam	15-24
Lorenzo loam	8-15
Mannon silt loam	8-15
Marbletown silt loam	15-24
Marine silt loam	8-15
Marissa silt loam	8-15
Markham silt loam	8-15
Markland silt loam	8-15
Marseilles silt loam	8-15
Marseilles silt loam, gravelly substratum	8-15
Marseilles silt loam, moderately wet	15-24
Marseilles-Atlas complex	8-15
Marseilles-Hickory complex	8-15
Marshan loam	8-15
Marshan loam, sandy substratum	15-24
Martinsville silt loam	8-15
Martinton silt loam	15-24
Mascoutah silty clay loam	>24
Massbach silt loam	8-15
Matherton silt loam	8-15
Maumee fine sandy loam	<8
Mayville silt loam	15-24
McFain silty clay	>24
McGary silt loam	8-15
McHenry silt loam	8-15
Meadowbank silt loam	15-24
Medary silty clay loam	8-15
Medway silty clay loam	>24
Menfro silt loam	8-15
Metea silt loam	<8
Miami fine sandy loam	<8
Miami silt loam	8-15
Miami-Casco complex	8-15
Miami-Hennepin complex	8-15
Miami-Russell silt loams	8-15
Middletown silt loam	8-15
Milford silty clay loam	>24
Millbrook silt loam	8-15
Millington loam	8-15
Millsdale silty clay loam	>24
Millstadt silt loam	>24
Millstream silt loam	15-24
Minneiska loam	15-24
Mokena silt loam	15-24
Mona silt loam	15-24
Monee silt loam	15-24
Monterey silty clay loam	>24
Montgomery silty clay loam	>24
Montmorenci silt loam	8-15
Morley silt loam	8-15
Morocco fine sand	<8
Morristown silt loam	8-15
Moundprairie silty clay loam	15-24
Mt. Carroll silt loam	8-15
Mudhen clay loam	>24
Mundelein silt loam	15-24
Mundelein and Elliott soils	15-24
Muren silt loam	8-15
Muscatine silt loam	15-24
Muscatune silt loam	15-24
Muskego muck	>100
Muskego silty clay loam, overwash	>24
Muskego and Houghton mucks	>100
Muskego and Peotone soils, ponded	>100
Muskingum stony silt loam	<8
Muskingum and Berks soils	<8
Myrtle silt loam	8-15
Nachusa silt loam	15-24
Nameoki silty clay	15-24
Nappanee silt loam	8-15
Nasset silt loam	15-24
Navlys silty clay loam	15-24
Negley loam	8-15
Neotoma-Wellston complex	8-15
Newark silty clay loam	15-24
Newberry silt loam	8-15
NewGlarus-Lamoille complex	8-15
NewGlarus-Palsgrove  silt loams	8-15
Newhaven loam	8-15
Niota silt loam	8-15
Niota silty clay loam, clayey subsurface variant	15-24
Nolin silty clay loam	8-15
Normal silt loam	15-24
Normandy silt loam	15-24
Oakville fine sand	<8
Oakville-Tell complex	<8
Ockley silt loam	8-15
Oconee silt loam	8-15
Oconee-Coulterville-Darmstadt silt loams	8-15
Oconee-Darmstadt-Coulterville silt loams	8-15
Oconee-Tamalco complex	8-15
Octagon silt loam	8-15
Odell silt loam	15-24
Ogle silt loam	15-24
Ogle silt loam, silt loam subsoil variant	15-24
Okaw silt loam	8-15
Okaw silty clay loam	15-24
Onarga sandy loam	8-15
Onarga fine sandy loam, till substratum	8-15
Oneco silt loam	8-15
Orio sandy loam	<8
Orion silt loam	8-15
Osceola silt loam	15-24
Osco silt loam	15-24
Otter silt loam	>24
Ozaukee silt loam	15-24
Palms muck	>100
Palms silty clay loam, overwash	>24
Palsgrove silt loam	8-15
Palsgrove and Woodbine soils	8-15
Pana silt loam	15-24
Papineau fine sandy loam	8-15
Parke silt loam	8-15
Parkville silty clay	8-15
Parmod silt loam	15-24
Parr fine sandy loam	8-15
Parr silt loam	8-15
Passport silt loam	8-15
Passport-Grantfork complex	8-15
Patton silty clay loam	>24
Paxico silt loam	8-15
Pecatonica silt loam	8-15
Pella silty clay loam	>24
Peotone silty clay loam	>24
Peotone mucky silty clay loam, marl substratum	>100
Petrolia silty clay loam	15-24
Piasa silt loam	15-24
Pierron silt loam	8-15
Pike silt loam	8-15
Pillot silt loam	15-24
Piopolis silty clay loam	15-24
Piscasaw silt loam	15-24
Plainfield sand	<8
Plano silt loam	15-24
Plattville silt loam	15-24
Plumfield silty clay loam	15-24
Port Byron silt loam	15-24
Port Byron silt loam, sandy substratum	15-24
Prairieville silt loam	15-24
Princeton fine sandy loam	8-15
Proctor silt loam	15-24
Proctor silt loam, sandy substratum	15-24
Prophetstown silt loam	15-24
Quiver silty clay loam	15-24
Racoon silt loam	8-15
Raddle silt loam	15-24
Raddle-Sparta complex	8-15
Radford silt loam	15-24
Rantoul silty clay	>24
Rapatee silty clay loam	>24
Raub silt loam	15-24
Raveenwash silty clay loam	8-15
Redbud silt loam	8-15
Redbud-Colp silty clay loams	8-15
Redbud-Hurst silty clay loams	8-15
Reddick silty clay loam	>24
Reesville silt loam	8-15
Rend silt loam	8-15
Richview silt loam	8-15
Richwood silt loam	15-24
Ridgeville fine sandy loam	8-15
Ridgway silt loam	8-15
Ridott silt loam	8-15
Riley silty clay loam	>24
Ringwood silt loam	15-24
Ripon silt loam	8-15
Ritchey silt loam	8-15
Robbs silt loam	8-15
Roby fine sandy loam	<8
Rocher loam	8-15
Rockton loam	8-15
Rockton and Dodgeville soils	8-15
Rodman loam	8-15
Rodman gravelly loam	<8
Rodman-Casco complex	8-15
Rodman-Fox complex	8-15
Rodman-Warsaw complex	8-15
Romeo silt loam	15-24
Rooks silt loam	>24
Ross loam	8-15
Rossburg loam	>24
Rowe silty clay	>24
Rozetta silt loam	8-15
Ruark fine sandy loam	<8
Rubio silt loam	15-24
Ruma silt loam	15-24
Ruma-Ursa silty clay loams	8-15
Rush silt loam	8-15
Rushville silt loam	8-15
Rushville-Huey silt loams	8-15
Russell silt loam	8-15
Rutland silt loam	15-24
Sabina silt loam	15-24
Sable silty clay loam	>24
Saffell gravelly sandy loam	8-15
Sarpy sand	<8
Saude loam	15-24
Sawmill silty clay loam	>24
Sawmill-Lawson complex	>24
Saybrook silt loam	15-24
Saylesville silt loam	8-15
Schapville silt loam	15-24
Schuline silt loam	8-15
Sciotoville silt loam	8-15
Seaton silt loam	8-15
Seaton silt loam, sandy substratum	8-15
Seaton-Goss complex	8-15
Seaton-Hickory complex	8-15
Seaton-Oakville complex	8-15
Seaton-Timula silt loams	8-15
Selma loam	15-24
Selmass loam	15-24
Selma loam, bedrock substratum	15-24
Senachwine silt loam	8-15
Sepo silty clay loam	15-24
Sexton silt loam	8-15
Shadeland silt loam	8-15
Shaffton loam	15-24
Sharon silt loam	8-15
Shiloh silty clay loam	>24
Shoals silt loam	8-15
Shullsburg silt loam	15-24
Sidell silt loam	8-15
Skelton fine sandy loam	8-15
Slacwater silt loam	8-15
Sogn silt loam	15-24
Somonauk silt loam	8-15
Sonsac very cobbly silt loam	8-15
Sparta loamy sand	<8
Sparta loamy sand, loamy substratum	<8
Springerton loam	15-24
Starks silt loam	8-15
Stockland loam	8-15
Stonelick fine sandy loam	<8
Stookey silt loam	15-24
Stookey and Timula soils	8-15
Stookey-Bodine complex	15-24
Stoy silt loam	8-15
Strawn silt loam	8-15
Strawn-Chute complex	8-15
Strawn-Hennepin loams	8-15
Streator silty clay loam	>24
Stronghurst silt loam	8-15
St. Charles silt loam	8-15
St. Charles silt loam, sandy substratum	15-24
St. Clair silt loam	8-15
Sunbury silt loam	15-24
Swanwick silt loam	8-15
Swygert silty clay loam	>24
Sylvan silt loam	8-15
Sylvan-Bold complex	8-15
Symerton loam	15-24
Symerton silt loam	15-24
Tallula silt loam	15-24
Tallulabold silt loams	15-24
Tama silt loam	15-24
Tamalco silt loam	8-15
Tama silt loam, sandy substratum	15-24
Tell silt loam	8-15
Tell-Lamont complex	8-15
Terril loam	15-24
Thebes silt loam	8-15
Thorp silt loam	15-24
Tice silty clay loam	>24
Timewell silt loam	15-24
Timewell and Ipava soils	15-24
Timula silt loam	8-15
Timula-Hickory complex	8-15
Timula-Miami complex	8-15
Titus silty clay loam	>24
Toronto silt loam	15-24
Torox silt loam	15-24
Traer silt loam	8-15
Trempealeau silt loam	15-24
Troxel silt loam	15-24
Tuscola loam	8-15
Twomile silt loam	8-15
Udolpho loam	15-24
Udolpho loam, sandy substratum	15-24
Uniontown silt loam	8-15
Ursa silt loam	8-15
Ursa-Atlas complex	8-15
Ursa-Hickory complex	8-15
Vanmeter silty clay loam	15-24
Vanpetten loam	15-24
Varna silt loam	15-24
Velma loam	8-15
Velma-Coatsburg silt loams	15-24
Velma-Walshville complex	8-15
Vesser silt loam	15-24
Virden silty clay loam	>24
Virden-Fosterburg silt loams	>24
Virden-Piasa silt loams	>24
Virgil silt loam	8-15
Wabash silty clay	>24
Wagner silt loam	8-15
Wakeland silt loam	8-15
Wakenda silt loam	15-24
Wallkill silty clay loam	>24
Wallkill silt loam	15-24
Ware silt loam	15-24
Warsaw silt loam	15-24
Washtenaw silt loam	15-24
Watseka loamy fine sand	<8
Wauconda silt loam	8-15
Wauconda and Beecher silt loams	8-15
Wauconda and Frankfort silt loams	8-15
Waukee loam	8-15
Waukegan silt loam	15-24
Waupecan silt loam	15-24
Wea silt loam	15-24
Weinbach silt loam	8-15
Weir silt loam	8-15
Wellston silt loam	8-15
Wellston-Berks complex	8-15
Wenona silt loam	15-24
Wenona silt loam, loamy substratum	15-24
Wesley fine sandy loam	8-15
Westland clay loam	15-24
Westmore silt loam	8-15
Westmore-Neotoma complex	8-15
Westville silt loam	8-15
Whalan loam	8-15
Whalan and NewGlarus silt loams	8-15
Wheeling silt loam	8-15
Whitaker silt loam	8-15
Whitaker variant loam	8-15
Whitson silt loam	8-15
Wilbur silt loam	8-15
Will silty clay loam	>24
Windere silt loam	15-24
Winfield silt loam	8-15
Wingate silt loam	8-15
Winnebago silt loam	15-24
Wirt silt loam	8-15
Woodbine silt loam	8-15
Worthen silt loam	15-24
Wyanet silt loam	8-15
Wynoose silt loam	8-15
Wynoose silt loam, bench	8-15
Wynoose-Huey complex	8-15
Xenia silt loam	8-15
Zanesville silt loam	8-15
Zanesville-Westmore silt loams	8-15
Zipp silty clay loam	15-24
Zook silty clay	>24
Zumbro sandy loam	8-15
Zurich silt loam	15-24
Zurich and Morley silt loams	15-24
Zurich and Nappanee silt loams	15-24
Zwingle silt loam	8-15

 

(Source:  Added at 32 Ill. Reg. 1308, effective January 21, 2008)