Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

Parameter Code Definition

Click to hide state-specific text

Welcome to the NWIS-Web for the Arizona Water Science Center


The majority of USGS Gaging Stations are funded though a cooperative program between the USGS other interested agencies.
Follow this link for information on the Cooperative Water Program with the USGS.

Arizona Water Science Center Home Page
Colorado Basin River Forecast Center (CBRFC) - provided by the National Weather Service, AHPS. CBRFC on an interactive map.
Threatened and Endangered USGS Gaging Stations in Arizona
Retrieve definitions of parameter codes and parameter groupings.
Search Criteria
?
  -- List all parameters in a group
?
  Parameter code/name -- Enter a code or name (matches any part)
?
 CASRN -- For best result, enter full CASRN with dashes. For example, "7439-97-6" (CAS Registry NumberŪ is a Registered Trademark of the American Chemical Society. CAS recommends the verification of the CASRNs through CAS Client ServicesSM.)
?
 USEPA SRS -- Matches any part. For example, "phosphorus" retrieves SRS names "Phosphorus", " Organic phosphorus" and " Phosphate-phosphorus". (Definition)

Choose output format
?