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USGS 425435091281101 Big Spring Fish Hatchery near Elkader, IA NADP/NTN

  Spring Site

Latitude 42°54'35",   Longitude 91°28'11"   NAD27
Clayton County, Iowa   , Hydrologic Unit 07060004
Land surface altitude: 770 feet above NGVD29.
Spring discharges from "Cambrian-Ordovician aquifer system" (S300CAMORD) national aquifer.
Spring discharges from "Galena Formation" (364GALN) local aquifer
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    2021-09-19  2022-01-17  
 Field/Lab water-quality samples 1985-09-03  2013-09-24  1509 
 Revisions  Loading...

Additional Data Sources

Begin Date

End Date

 Annual Water-Data Report (pdf)  **offsite** 2006  2013  8 
Record for this site is maintained by the USGS Iowa Water Science Center
Email questions about this site to Iowa Water Science Center Water-Data Inquiries