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WQP Home >  Providers >  STORET >  21COL001_WQX >  21COL001_WQX-CO0021156-EFF

Johnstown Central WWTF Effluent (21COL001_WQX-CO0021156-EFF) site data in the Water Quality Portal

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

This facility municipal sewage (potw) site, maintained by the Colorado Dept. of Public Health & Environment-WQCD (identifier 21COL001_WQX), has the name "Johnstown Central WWTF Effluent" and has the identifier 21COL001_WQX-CO0021156-EFF. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)10190006.

This site is located in Weld County County, Colorado at 40.3335830000 degrees latitude and -104.8712780000 degrees longitude using the datum WGS84. 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 "21COL001_WQX-CO0021156-EFF" 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*
Nutrient 2018 - 2023
Physical 2018 - 2023
*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 21COL001_WQX
OrganizationFormalName Colorado Dept. of Public Health & Environment-WQCD
MonitoringLocationIdentifier 21COL001_WQX-CO0021156-EFF
MonitoringLocationName Johnstown Central WWTF Effluent
MonitoringLocationTypeName Facility Municipal Sewage (POTW)
MonitoringLocationDescriptionText The site is northwest of Milliken where State HWY 60 crosses over the Big Thompson. This is near the intersection of State Hwys 257 and 60.
HUCEightDigitCode 10190006
LatitudeMeasure 40.3335830000
LongitudeMeasure -104.8712780000
HorizontalCollectionMethodName GPS Code (Pseudo Range) Standard Position (SA Off)
HorizontalCoordinateReferenceSystemDatumName WGS84
CountryCode US
StateCode 08
CountyCode 123
ProviderName STORET