Skip to Main Content

EPA requires that samples must be taken from:

Contaminant Type Water Source Type Time Frame Frequency
List 1 Contaminants ‐ Cyanotoxins-Microcystins SW or GWUDI March – November You must monitor twice a month for four consecutive months (total of eight sampling events). Sample events must occur two weeks
List 1 Contaminants – Additional 20 Chemicals SW or GWUDI March – November You must monitor four times during your 12‐ month monitoring period. Sample events must occur two months apart. (Example: If your first sampling event is in March, the second monitoring must occur during May, the third during July, and the fourth during September).
GW March – November You must monitor two times during your 12‐ month monitoring period. Sample events must occur six months apart. (Example: If your first monitoring is in March, the second monitoring must occur during September. If your first monitoring is in November, the second monitoring must occur in May).

See contact information at the bottom of this page for budgetary pricing information.

Interested In Environmental Services? Take the next step.

When you're ready to learn more about what Pace can do for you, we're here with answers to all your questions.