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Water Quality Samples for New York

! Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024
with a full decommission expected 6 months later. Learn more about the upcoming change and where to find the new samples data in our blog.

USGS 01502500 UNADILLA RIVER AT ROCKDALE NY

Chenango County, New York
Hydrologic Unit Code 02050101
Latitude  42°22'40", Longitude  75°24'22" NAD83
Drainage area 520  square miles
Contributing drainage area 520  square miles
Gage datum 991.95 feet above NAVD88
Output formats
Parameter Group Period of Record table
Inventory of available water-quality data for printing
Inventory of water-quality data with retrieval
Tab-separated data, one result per row
Tab-separated data one sample per row with remark codes combined with values
Tab-separated data one sample per row with tab-delimiter for remark codes
Reselect output format
Parameter Group Summary of Available Data
Parameter Group First
Date		 Last
Date		 Number of
Samples		 Number of
Values
All -- include all parameter groups 1954-04-07 2001-11-26 29 1211
Information 1971-03-03 2001-11-26 24 38
Physical 1954-04-07 2001-09-26 26 269
Inorganics, Major, Metals 1954-04-07 2001-09-26 16 82
Inorganics, Major, Non-metals 1954-04-07 2001-09-26 26 152
Nutrient 1954-04-07 2001-09-26 16 181
Inorganics, Minor, Metals 1954-04-07 2001-09-26 17 157
Organics, pesticide 1991-03-12 2001-11-26 9 122
Organics, PCBs 1991-07-15 1991-07-15 1 4
Organics, other 1991-03-12 1991-09-16 8 176
Sediment 1991-03-12 1992-07-13 15 30