Information provided for informational purposes only

Note: This information is provided for reference purposes only. Although the information provided here was accurate and current when first created, it is now outdated.


This web site provides query access to over 200 million monitoring records originally reported to EPA via the Legacy STORET System.


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Parameter Group
Code Name Official Name
1 Administrative ADMIN
2 Bacteriological BACT
3 Biological BIO
4 Dissolved Oxygen DO
5 Flow FLOW
6 General Inorganic INOGAN
7 General Organic OGAN
8 Metals METALS
9 Nitrogen NITR
10 Oxygen Demand OXYDE
11 Pesticide PEST
12 Phosphorous PHOS
13 Physical PHYS
14 Radiological RAD
15 Solids SOLIDS
16 Temperature TEMP
17 Miscellaneous MISC
18 Location Measurement LOC