| Data Service Title | Observation Network Name | WSDL | CreatedDate | Organization | Contact | Status | Earliest Start Date | Latest End Date |
| EPA STORET | EPA | WSDL | 2008.10.30 | EPA | David Valentine | | 1753.01.01 | 5005.05.23 |
| NCDC Hourly Data | NCDCISH | WSDL | 2009.09.16 | National Climatic Data Center | | | 1892.01.01 | 2009.09.21 |
| NWIS Daily Values | NWISDV | WSDL | 2008.10.30 | USGS | David Valentine | | 1861.01.01 | 2008.12.08 |
| NWIS Ground Water | NWISGW | WSDL | 2008.10.30 | USGS | David Valentine | | 1800.01.01 | 2008.12.28 |
| NWIS Instantaneous Irregular Data | NWISIID | WSDL | 2008.10.30 | USGS | David Valentine | | 1867.09.01 | 2231.12.13 |
| NWIS Unit Values | NWISUV | WSDL | 2008.10.30 | USGS | David Valentine | | 2009.08.22 | 2009.09.22 |
| USACE River Gages | RiverGages | WSDL | 2009.10.02 | U.S. Army Corps of Engineers | | | 2000.01.01 | 2009.10.02 |
| Chesapeake Bay Information Management System | CIMS | WSDL | 2008.10.30 | Chesapeake Bay Information Management System | Michael Piasecki | | 1949.07.02 | 2006.10.23 |
| Baltimore Waters Test Bed Ground Water Level Data | BaltimoreGW | WSDL | 2008.10.30 | Baltimore Waters Test Bed | Mike McGuire | | 2008.03.13 | 2010.05.14 |
| Baltimore Precipitation | BaltPrecip | WSDL | 2009.08.11 | | | | 2000.11.14 | 2009.05.17 |
| Beacon Institute for River and Esturay | BEACON_IBM | WSDL | 2010.03.25 | Beacon Institute of River and Estuary | Bill Huai | | 1900.01.01 | 2008.10.20 |
| Baltimore Ecosystem Study Stream Chemistry Data | BESOD | WSDL | 2008.10.30 | Baltimore Ecosystem Study | Mike McGuire | | 1998.10.15 | 2006.03.28 |
| Baltimore Ecosystem Study Soils Data | BESSoil | WSDL | 2008.10.30 | Baltimore Ecosystem Study | Mike McGuire | | 2000.02.23 | 2007.03.08 |
| Crown of the Continent Observatory Snow | COTCsnow | WSDL | 2008.10.30 | Crown of the Continent Observatory (Montana State University) | | | 2007.06.24 | 2007.08.16 |
| HydroNEXRAD | HydroNEXRAD | WSDL | 2009.08.11 | Hydro_NEXRAD Data Services at the University of Iowa | Michael Piasecki | | 2007.01.01 | 2008.12.31 |
| IIHR Tipping Bucket | IIHRTippingB | WSDL | 2008.10.30 | IIHR - The University of Iowa | Nick Arnold | | 1900.01.01 | 2010.01.11 |
| IIHR Water Quality | IIHRWQ | WSDL | 2008.10.30 | IIHR - The University of Iowa | Nick Arnold | | 2006.03.22 | 2009.12.06 |
| Grasslands Ecological Area of the San Joaquin Basin, California | LBL | WSDL | 2009.07.27 | Lawrence Berkeley National Laboratory | Chrisitan Pedersen | | 2006.05.23 | 2008.12.31 |
| Little Bear River Experimental Watershed, Northern Utah, USA | LittleBearRiver | WSDL | 2008.10.30 | Utah Water Research Laboratory, Utah State University | Jeff Horsburgh | | 2005.04.27 | 2010.08.28 |
| Logan River Observations, Northern Utah, USA | LoganRiver | WSDL | 2009.10.27 | Watershed Sciences Department, Utah State University | Milada Majerova | | 2007.09.27 | 2009.09.02 |
| MAST | MAST | WSDL | 2008.12.23 | Multicultural students At Sea Together (MAST) | Benjamin Cuker | | 2001.06.13 | 2007.06.16 |
| Multi-sensor Precipitation Estimates | MPE | WSDL | 2008.10.30 | NOAA National Weather Service Advanced Hydrologic Prediction Service | Michael Piasecki | | 2005.01.01 | 2009.06.29 |
| Mud Lake, Idaho, USA | MudLake | WSDL | 2008.10.30 | Utah Water Research Laboratory, Utah State University | Jeff Horsburgh | | 2006.10.01 | 2010.08.27 |
| National Atmospheric Deposition Program | NADP | WSDL | 2008.10.30 | National Atmospheric Deposition Program | Michael Piasecki | | 1978.07.25 | 2007.05.08 |
| Niagara Peninsula Conservation Authority Water Data Service | NPCA | WSDL | 2009.12.17 | Niagara Peninsula Conservation Authority | Geoff Verkade | | 2001.06.09 | 2010.08.29 |
| NWS-WGRFC Daily Multi-sensor Precipitation Estimates | NWS-WGRFC MPE | WSDL | 2010.08.31 | NOAA's National Weather Service West Gulf River Forecast Center | John McEnery | | 1995.01.02 | 2009.12.01 |
| Dry Creek Experimental Watershed, SW Idaho | ODMDCEW2 | WSDL | 2009.08.26 | Boise State University, Hydrologic Sciences Department | Pam Aishlin | | 1998.12.22 | 2010.07.05 |
| Paradise Creek Watershed, Idaho | ParadiseCreek | WSDL | 2009.10.12 | University of Idaho - Bio/Ag Engineering/Waters of the West | Chet Hagen | | 2001.10.01 | 2008.10.01 |
| Portneuf Watershed Observations, Idaho | PWP | WSDL | 2010.07.16 | Idaho State University | Tifani White | | 2005.02.18 | 3005.09.30 |
| Reynolds Creek Experimental Watershed | RCEW | WSDL | 2008.10.30 | IdahoWaters Reynolds Creek Experimental Watershed | Danny Marks | | 1961.01.03 | 1996.10.01 |
| RIM Program | RIMP | WSDL | 2010.03.09 | USGS, Virginia DEQ and Maryland Department of Natural Resources | Ken Hyyer | | 1971.01.15 | 2009.02.17 |
| Santa Fe Basin, Florida Daily Rain Tipping Bucket | SantaFe-RainDlySRWMD | WSDL | 2008.10.30 | Suwannee River Water Management District | Kathleen McKee | | 1981.08.12 | 2010.07.17 |
| Superfund Basic Research Program | SBRP | WSDL | 2008.12.15 | Superfund Basic Research Program, UCSD | Hiram Sarabia | | 2007.07.09 | 2007.08.15 |
| San Diego River Park Foundation | SDRPF | WSDL | 2008.10.30 | San Diego River Park Foundation | Tom Whitenack | | 2004.10.14 | 2007.08.19 |
| Santa Fe Basin, Florida CTD Sondes | SFe_CTDSondes | WSDL | 2008.10.30 | Univ of Florida Water Institute | Kathleen McKee | | 2001.08.03 | 2010.08.13 |
| Santa Fe - USGS Groundwater Data Florida | SFe_GWL_USGS | WSDL | 2008.10.30 | USGS Groundwater Data Florida | Kathleen McKee | | 1933.01.21 | 2007.10.18 |
| Santa Fe MICROWAVECITRA | SFe_MICROWAVECITRA | WSDL | 2008.10.30 | UF Agric and Biol Engineering; Dr. Jasmeet Judge | Kathleen McKee | | 2004.03.24 | 2004.06.02 |
| Santa Fe Basin, Florida SRWMD select river gages | SFe_SRWMD_SurfWater | WSDL | 2010.07.13 | Suwannee River Water Management District | Kathleen Mckee | | 1957.08.06 | 2010.03.03 |
| Santa Fe, STORET | SFe_Storet | WSDL | 2008.10.30 | Florida Dept of Environmental Protection | Kathleen McKee | | 1990.02.14 | 2006.08.24 |
| Santa Fe, Southwest Florida Water Management District | SFe_SWFGWL | WSDL | 2008.10.30 | Southwest Florida Water Management District | Kathleen McKee | | 1935.03.26 | 2007.12.27 |
| Storet Phosph and Nitr in Surf water | SFe-FLStoret | WSDL | 2009.03.27 | Florida Dept of Enviro Protection, STORET database | Kathleen McKee | | 1990.02.14 | 2006.08.24 |
| Santa Fe Ground Water Level SRWMD | SFe-SRGWL | WSDL | 2008.10.30 | Suwannee River Water Management District | Kathleen McKee | | 1905.08.29 | 2007.05.31 |
| Susquehanna River Basin Hydrologic Observatory | SRBHOS | WSDL | 2008.10.30 | Susquehanna River Basin Hydrologic Observatory Sys | Michael Piasecki | | 1997.01.01 | 2007.05.15 |
| Texas Instream Flow, Lower Sabine | TIFP_LowerSabine | WSDL | 2008.10.30 | Texas Instream Flow Program | Eric Hersh | | 2006.05.16 | 2006.09.19 |
| Texas Instream Flow, Lower San Antonio | TIFP_LowerSanAntonio | WSDL | 2008.10.30 | Texas Instream Flow Program | Eric Hersh | | 2006.03.27 | 2006.10.11 |
| TWDB_Sondes | TWDB_Sondes | WSDL | 2009.06.03 | Texas Water Development Board | Bryan Enslein | | 1987.08.03 | 1997.07.08 |
| TWDB Wind | TWDB_Wind | WSDL | 2009.06.03 | TWDB | Bryan Enslein | | 1987.08.01 | 1999.12.14 |
| Texas Evaporation | TxEvap | WSDL | 2009.06.03 | Texas Water Development Board | Tim Whiteaker | | 1928.06.01 | 2007.12.01 |