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Water Quality Samples for Virginia

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! Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 01654000 ACCOTINK CREEK NEAR ANNANDALE, VA

Fairfax County, Virginia
Hydrologic Unit Code 02070010
Latitude  38°48'46", Longitude  77°13'43" NAD27
Drainage area 23.9  square miles
Gage datum 190.6 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 1952-11-21 2024-03-07 530 27665
Information 1993-04-20 2024-03-07 511 2598
Physical 1952-11-21 2024-03-07 506 6211
Inorganics, Major, Metals 1952-11-21 2023-11-08 198 1184
Inorganics, Major, Non-metals 1952-11-21 2024-03-07 468 2392
Nutrient 1952-11-21 2023-11-08 310 3194
Microbiological 1999-03-18 2023-11-08 313 623
Biological 1993-08-11 2014-06-10 6 29
Inorganics, Minor, Metals 1952-11-21 2014-06-10 89 228
Inorganics, Minor, Non-metals 1997-07-18 2014-06-10 2 5
Organics, pesticide 1994-03-16 2014-06-10 117 9596
Organics, PCBs 1997-07-18 1997-07-22 2 2
Organics, other 1993-04-20 2014-06-10 55 868
Radiochemical 1997-07-18 2014-06-10 2 4
Stable Isotopes 2014-04-21 2014-06-02 2 4
Sediment 1993-04-20 2023-11-08 265 727