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EPA/WATER RIN: 2040-AA97 Publication ID: Spring 2005 
Title: National Primary Drinking Water Regulations: Groundwater Rule 
Abstract: EPA proposed a targeted risk-based regulatory strategy for all public water systems served by groundwater in May of 2000. The proposed requirements provide a meaningful opportunity to reduce public health risk for a significant number of people served by groundwater sources from the exposure to waterborne pathogens from fecal contamination. The proposed strategy addresses risks through a multiple-barrier approach that relies on five major components: periodic sanitary surveys of groundwater systems requiring the evaluation of eight elements and the identification of significant deficiencies; hydrogeologic assessments to identify wells sensitive to fecal contamination; source water monitoring for systems drawing from sensitive wells without treatment or with other indications of risk; a requirement for correction of significant deficiencies and fecal contamination through the following actions: eliminate the source of contamination, correct the significant deficiency, provide an alternative source water, or provide a treatment which achieves at least 99.99 percent (4-log) inactivation or removal of viruses; and compliance monitoring to insure disinfection treatment is reliably operated where it is used. The final rule will establish a risk-based strategy as was described in the proposed (May 2000) rulemaking. However, the proposed design has been improved in the draft final rule to provide greater flexibility for States and systems implementing the rule. 
Agency: Environmental Protection Agency(EPA)  Priority: Economically Significant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Final Rule Stage 
Major: Yes  Unfunded Mandates: Private Sector 
CFR Citation: 40 CFR 141    40 CFR 142   
Legal Authority: 42 USC 300 g-1 SDWA 1412 (b)(8)    42 USC 300j-4 SDWA 1445   
Legal Deadline:
Action Source Description Date
Other  Statutory  Not later than promulgation of the Stage 2 Disinfection Byproducts Rule (currently scheduled for December 2005).  07/31/2005 
Timetable:
Action Date FR Cite
NPRM  05/10/2000  65 FR 30194   
Final Action  12/00/2005    
Additional Information: SAN No. 2340; Statutory deadline for final rule: Not later than the Administrator promulgates a Stage II rulemaking for disinfection byproducts (currently scheduled for July 2005).
Regulatory Flexibility Analysis Required: Yes  Government Levels Affected: Federal, Local, State, Tribal 
Small Entities Affected: Businesses, Governmental Jurisdictions, Organizations  Federalism: No 
Included in the Regulatory Plan: No 
Sectors Affected: 22131 Water Supply and Irrigation Systems 
Agency Contact:
Crystal Rodgers-Jenkins
Environmental Protection Agency
Water
4607M, 1200 Pennsylvania Avenue NW,
Washington, DC 20460
Phone:202 564-5275
Fax:202 564-3767
Email: rodgers-jenkins.crystal@epa.gov

Tracy Bone
Environmental Protection Agency
Water
4601M,
Washington, DC 20460
Phone:202 564-5257
Fax:202 564-3753
Email: Bone.Tracy@epamail.epa.gov