Skip to Main Content

Contact Pace now for budgetary pricing information:

drinkingwater@pacelabs.com

800-966-5668

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).