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Water Quality Samples for Washington

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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 Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 12447390 ANDREWS CREEK NEAR MAZAMA, WA

Okanogan County, Washington
Hydrologic Unit Code 17020008
Latitude  48°49'23", Longitude 120°08'41" NAD27
Drainage area 22.1  square miles
Gage datum 4,300.00 feet above NGVD29
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 1971-12-02 2023-12-07 309 13592
Information 1973-12-20 2023-12-07 271 982
Physical 1971-12-02 2023-12-07 298 3481
Inorganics, Major, Metals 1971-12-02 2023-10-19 292 1750
Inorganics, Major, Non-metals 1971-12-02 2023-10-19 294 2228
Nutrient 1971-12-02 2023-08-10 289 2324
Microbiological 1971-12-02 1996-06-11 162 379
Biological 2011-08-02 2019-09-12 5 30
Inorganics, Minor, Metals 1971-12-02 2001-09-17 71 1060
Inorganics, Minor, Non-metals 1973-12-20 2001-09-17 69 156
Organics, pesticide 1971-12-02 1982-06-10 11 270
Organics, PCBs 1973-06-21 1982-06-10 9 13
Organics, other 1973-06-21 2023-10-19 148 157
Radiochemical 1971-12-02 1996-06-11 46 353
Stable Isotopes 2004-08-31 2013-06-15 49 97
Sediment 1973-04-25 1996-06-11 156 312