Frequent Questions

When creating a monitoring schedule, are systems required to sample on a specific date, such as the 5th of each month, or can the system choose a flexible date, such as the first Monday of each month? How should a system handle weekend sampling, particu

Systems can monitor on a specific date or can monitor on a flexible date as long as samples are taken at approximately the same time every month.  Systems should work with labs to coordinate sampling schedules and to avoid weekends and holidays. 

For additional guidance on the Long Term 2 Enhanced Surface Water Treatment Rule please visit http://water.epa.gov/lawsregs/rulesregs/sdwa/lt2/index.cfm.

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