S" ¸ # ¸ ¸ ¸ # # # ¸ # ¸ # ¸ # ¸ # ¸ # ¸ J # S o h h e n l s b ¸ ¸ # o # y ¸ # ¸ e n # lu B r ¸ # ¸ ig e Edinburgh # B iv Shelby R Shelby S" Decatur ¸ " # S Bartholomew Johnson Bartholomew Hope S" w e Taylorsville r m u t o l a o c D S" e h t D r r a i f B t w ¸ o# o d R i ve r ¸ # ¸ # ¸ # ¸ # ¸ # ¸ # ¸ # ¸ # ¸ # ¸ ¸ # w # e m n o w l o o r h t B r a Columbus B S" ¸ # ¸ ¸ # # 5 6 - I § ¨ ¦ ¸ # ¸ # ¸ # ¸ ¸ ¸ ¸ # # # # Elizabethtown S" Bartholomew ¸ # W Jennings h i t e E a s R v t i e F r o r w e s g k m n o i l n o n h t e r J a B ¸ # ¸ # ¸ # ¸ # ¸ # ¸ # ¸ Brown # Jackson s n g o n s i k n c Bartholomew n a e J Jackson J ¸ # ¸ # Source: Esri, DigitalGlobe, GeoEye, i-cubed, USDA, USGS, AEX, Getmapping, Aerogrid, IGN, IGP, swisstopo, and the GIS User Community ¸ Withdrawal Location # ¸ River# Major Lakes ¸ # ¸ WELL INTAKE # 7Q2 Flow (MGD) Interstate ¸ Water Resources # Energy/Mining <10 MGD County ¸ # Industry ¸ Irrigation 10 - 50 MGD S" City # ¸ and Use in # 50 - 100 MGD ¸ # Misc. Miles 100 - 500 MGD ¸ Bartholomew County # Public Supply N 0 1 2 4 Data Sources: U.S. Geological Survey and Indiana Department of Natural Resources Rural Use > 500 MGD Joseph E. Kernan, Governor Department of Natural Resources Division of Water John Goss, Director Aquifer Systems Map 17-B BEDROCK AQUIFER SYSTEMS OF BARTHOLOMEW COUNTY, INDIANA R. 7 E. R. 8 E. R. 6 E. R. 7 E. R. 5 E. R. 6 E. T. 10 N. E 0 0 9 R. 4 E. R. 5 E. d d a R Driftwood o 3 2 1 e Edinburgh 4 R 5 n N 6 T. 11 N. i 950 Road y l ounty 1 Fishing C t e 3 4 n T. 10 N. s 5 d 6 2 u Area a R 1 o rd 3 2 B ffo 4 C Sta 5 1 6 3 2 N i 9 n e k Atterbury R e v 0 N e e County Road 90 S r h Fish k C e 10 11 12 e 9 and 7 8 Creek 12 r C k 11 C r Wildlife 10 e 9 w e 7 8 a k e 11 e 12 e k Area 9 10 r H e r 8 C County Road 800 N C 7 E 575 Road County 11 12 10 k c h u g w a D D u o H h r T i g W 13 f 31 17 16 15 14 u t 18 ut 0 w 13 o 5 e l 14 l E o 15 d 16 t Rugby S t The occurrence of bedrock aquifers depends on the original composition of the rocks and 17 0 o a 18 I Devonian and Mississippian -- 13 0 g o M d 14 i L 15 0 subsequent changes which influence the hydraulic properties. Post-depositional 16 R r 1 B New Albany Shale Aquifer System u 17 y e d d 18 t v processes, such as jointing, fracturing, and solution activity, generally increase the a 13 n i 14 o 15 u R !C hydraulic conductivity (permeability) of the upper portion of bedrock aquifer systems. o C R 700 N E C ounty Road C y t 0 Because permeability is generally greatest near the bedrock surface, bedrock units within The New Albany Shale Aquifer System in Bartholomew County is an extremely limited n 0 Hope u R 6 03-01805-PS the upper 100 feet are commonly the most productive aquifers. Creek o ground-water resource. This aquifer system consists mostly of brownish-black carbon- i d v 20 C 24 a 21 22 23 e 19 24 o rich shale, greenish-gray shale, and minor amounts of dolomite and dolomitic quartz r 23 R 21 22 Bedrock aquifer systems in the county are overlain by unconsolidated deposits of varying 20 y sandstone. h 24 19 t c n Camp n 22 23 thickness. Most of the bedrock aquifers in the county are under confined conditions. In ra 21 u B 20 o 19 C other words, the potentiometric surface (water level) in most wells completed in bedrock The New Albany Shale in Bartholomew County can be up to 120 feet thick and generally 24 k 22 23 N Taylorsville County Road 600 N e y ad 650 C! e rises above the top of the water-bearing zone. thickens as it dips southwest beneath younger strata. The outcrop/subcrop area is present d unty Ro r d Co C u y along an approximate north-south band of the west-central portion of the county and M ft k li The yield of a bedrock aquifer depends on its hydraulic characteristics and the nature of along the eastern south-central edge of the county. Depth to bedrock is typically 30 to 75 c 27 26 C 25 o County Road 550 N 30 29 28 the overlying deposits. Shale and glacial till act as aquitards, restricting recharge to feet. Completed well depths are typically 60 to 130 feet and penetrate 10 to 70 feet of r Clifford t 27 26 a 28 25 underlying bedrock aquifers. However, fracturing and/or jointing may occur in aquitards, bedrock. l 30 29 25 F Atterbury 27 26 d which can increase recharge to the underlying aquifers. Hydraulic properties of the R 28 k 29 r e County Road 500 N 30 r e bedrock aquifers are highly variable. This aquifer system is considered a poor ground-water resource and is generally 25 a r 27 26 ek C e M r k described as an aquitard. However, a few domestic wells have been completed in this C w e E a e k 0 Three bedrock aquifer systems are identified for Bartholomew County. They are, from system. Typical yields are 10 gpm or less with some dry holes reported. Static water r Lic H Nortonburg 5 C 8 C west to east, youngest to oldest: the Borden Group of Mississippian age; the New Albany levels typically range from 10 to 40 feet below surface. d k o 0 N 45 County Road a 34 35 36 c u 33 31 32 o Shale of Devonian and Mississippian age; and the Silurian and Devonian Carbonates. n u 35 R t 34 y 36 33 D The permeability of shale materials is considered low. The New Albany Shale Aquifer y 32 t R 31 36 n o 35 System, therefore, has a low susceptibility to contamination introduced at or near the Military 34 u The susceptibility of bedrock aquifer systems to surface contamination is largely a o d 32 33 D T. 10 N. C surface. 31 r dependent on the type and thickness of the overlying sediments. Just as recharge for 36 5 i 0 d 450 N T. 9 N. 35 County Roa ft 34 0 bedrock aquifers cannot exceed that of overlying unconsolidated deposits, susceptibility w E W o Hartsville 00 N 0 o County Road 4 d to surface contamination will not exceed that of overlying deposits. However, because 0 d R 7 y the bedrock aquifer systems may have complex fracturing systems, once a contaminant Silurian and Devonian d e a l 2 1 l o 5 3 T. 10 N. a 1 6 4 has been introduced into a bedrock aquifer system, it will be difficult to track and Carbonates Aquifer System R T 2 3 y remediate. T. 9 N. 65 5 4 t 6 n W ¦¨§ 1 Reservation 2 u Lo 0 3 o w 4 3 C In Bartholomew County, the outcrop/subcrop area of the Silurian and Devonian 5 R e 3 6 ll 1 R i 2 d d v Carbonates Aquifer System is present along most of the eastern half of the county. This 3 a e Mississippian -- Borden Group o r R system includes middle-Devonian age carbonates (limestone and dolomite) of the Aquifer System y 6 t 4 Muscatatuck Group and the underlying carbonates of Silurian age. Because carbonate n SR u Huffer Rd 10 11 12 o units of Silurian and Devonian age are similar, and cannot easily be distinguished on the d 250 N 7 8 C County Roa 12 d 9 R basis of water well records, they are considered as a single water-bearing system. 9 10 11 nd In Bartholomew County, the Mississippian age Borden Group Aquifer System is present 12 7 8 nla Newbern W 11 Su in most of the western third of the county. This bedrock aquifer system is composed 10 9 0 The Muscatatuck Group in Bartholomew County is up to 75 feet thick and generally 8 0 mostly of siltstone and shale, but fine-grained sandstones are also common. Although 7 2 12 C 11 d k increases in thickness as it dips to the southwest beneath younger rock formations. The 10 o carbonates are rare, discontinuous interbedded limestone lenses are present, mostly in the a r C u k o 31 e n ut a e Fa Fo upper portion of the group. underlying Silurian carbonates are up to 150 feet thick and also thicken as they dip to the t R h t r l l e y Petersville C 13 s r y i 0 N 20 t southwest. The combined thickness, therefore, is up to 225 feet with depth to bedrock d R n County Roa E e n o 0 u 15 14 a 16 0 typically 20 to 50 feet below surface.