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Parameter Code Definition

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NOTE: During winter months, stage and discharge may be significantly affected by backwater from ice, resulting in incorrect discharge data. Consequently, discharge data may not be displayed during periods of ice effect. Click here for more information.
Retrieve definitions of parameter codes and parameter groupings.
Search Criteria
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  -- List all parameters in a group
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  Parameter code/name -- Enter a code or name (matches any part)
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 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.)
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 USEPA SRS -- Matches any part. For example, "phosphorus" retrieves SRS names "Phosphorus", " Organic phosphorus" and " Phosphate-phosphorus". (Definition)

Choose output format
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