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Upper Pond (MIDDLETOWNUPCW_WQX-SW-1) site data in the Water Quality Portal

Data Provider: STORET (Learn more about Water Quality Portal Data Providers)

This other-surface water site, maintained by the Middletown Rancheria of Pomo Indians of California (Tribal) (identifier MIDDLETOWNUPCW_WQX), has the name "Upper Pond" and has the identifier MIDDLETOWNUPCW_WQX-SW-1. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)18020162.

This site is located in Lake County County, California at 38.7236400000 degrees latitude and -122.6262700000 degrees longitude using the datum UNKWN. No horizontal location accuracy metadata is available.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "MIDDLETOWNUPCW_WQX-SW-1" into the "Site ID" box under Site Parameters

What other monitoring locations are upstream or downstream from this one?

Upstream and downstream locations

This map shows all Water Quality Portal stations that are 10 miles upstream (dashed dark blue) and 10 miles downstream (solid light blue) of this monitoring location (indicated by the large blue circle). The upstream and downstream functionality is provided by the Network Linked Data Index.

Leaflet USGS The National Map: National Boundaries Dataset, 3DEP Elevation Program, Geographic Names Information System, National Hydrography Dataset, National Land Cover Database, National Structures Dataset, and National Transportation Dataset; USGS Global Ecosystems; U.S. Census Bureau TIGER/Line data; USFS Road data; Natural Earth Data; U.S. Department of State HIU; NOAA National Centers for Environmental Information. Data refreshed February, 2025.

When were data collected at this location?

Periods of record for data characteristic groups

For a more detailed breakdown of data, go to the Monitoring Report at the EPA How's My Waterway Application

Characteristic Group Date Range*
Inorganics, Major, Metals 2024 - 2024
Inorganics, Major, Non-metals 2022 - 2024
Inorganics, Minor, Metals 2022 - 2024
Inorganics, Minor, Non-metals 2022 - 2024
Microbiological 2023 - 2024
Nutrient 2022 - 2024
Physical 2022 - 2024
*Date ranges may contain gap years

What other information is available for this location?

Detailed Metadata

For the definitions of the metadata elements, please go to the Water Quality Portal user guide

Location Metadata Value
OrganizationIdentifier MIDDLETOWNUPCW_WQX
OrganizationFormalName Middletown Rancheria of Pomo Indians of California (Tribal)
MonitoringLocationIdentifier MIDDLETOWNUPCW_WQX-SW-1
MonitoringLocationName Upper Pond
MonitoringLocationTypeName Other-Surface Water
HUCEightDigitCode 18020162
LatitudeMeasure 38.7236400000
LongitudeMeasure -122.6262700000
HorizontalCollectionMethodName GPS-Unspecified
HorizontalCoordinateReferenceSystemDatumName UNKWN
CountryCode US
StateCode 06
CountyCode 033
ProviderName STORET