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LT2/Stage 2 Rule
LT2/Stage 2 Rule
PWS Monitoring/Compliance Questions
Are consecutive systems exempt from the requirements of the LT2 Rule?
A consecutive ground water system serving fewer than 3,300 persons chooses the standard monitoring option for compliance with the Initial Distribution System Evaluation (IDSE) requirement of the Stage 2 Disinfectant and Disinfection Byproducts (DBP) Rule.
Are systems that received a 40/30 certification or a very small system waiver required to prepare an Initial Distribution System Evaluation (IDSE) Report and submit it to the state?
Are systems required to conduct Stage 1 DBPR compliance monitoring concurrent with Stage 2 DBPR IDSE monitoring?
Are there any specific PN requirements under LT2 source water monitoring?
As established by the Long Term 2 Enhance Surface Water Treatment Rule, source water monitoring for public water systems using new surface water sources or ground water under the direct influence of surface water sources must monitor the source on a sched
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PWS Reporting/Compliance Questions
Are the CFE and IFE performance toolbox options available to all systems or only to those systems using conventional or direct filtration?
Are Initial Distribution System Evaluation (IDSE) submissions provided to EPA?s Information Processing and Management Center (IPMC) subject to FOIA requests?
Are systems required to file a report every time an operational evaluation level is exceeded?
Are the combined filter performance and individual filter performance standards based on 4 hour measurements?
Can a system receive 40/30 certification if individual samples exceed 40/30 levels, but annual averages for TTHM and HAA5 are below these levels?
Can a PWS use the same CDX username & password to access DCTS as a lab & as a PWS?
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