Subpart AA - REVISED TOTAL COLIFORM RULE

  1. § 611.1051 - General
  2. § 611.1052 - Analytical Methods and Laboratory Certification
  3. § 611.1053 - General Monitoring Requirements for all PWSs
  4. § 611.1054 - Routine Monitoring Requirements for Non-CWSs That Serve 1,000 or Fewer People Using Only Groundwater
  5. § 611.1055 - Routine Monitoring Requirements for CWSs That Serve 1,000 or Fewer People Using Only Groundwater
  6. § 611.1056 - Routine Monitoring Requirements for Subpart B Systems That Serve 1,000 or Fewer People
  7. § 611.1057 - Routine Monitoring Requirements for PWSs That Serve More Than 1,000 People
  8. § 611.1058 - Repeat Monitoring and E. coli Requirements
  9. § 611.1059 - Coliform Treatment Technique Triggers and Assessment Requirements for Protection Against Potential Fecal Contamination
  10. § 611.1060 - Violations
  11. § 611.1061 - Reporting and Recordkeeping
  12. Appendix A - Regulated Contaminants, version 70
  13. Appendix B - Percent Inactivation of G. Lamblia Cysts, version 33
  14. Appendix C - Common Names of Organic Chemicals, version 23
  15. Appendix D - Defined Substrate Method for the Simultaneous Detection of Total Coliforms and Escherichia Coli from Drinking Water (Repealed), version 16
  16. Appendix E - Mandatory Lead Public Education Information for Community Water Systems, version 10
  17. Appendix F - Mandatory Lead Public Education Information for Non-Transient Non-Community Water Systems, version 7
  18. Appendix G - NPDWR Violations and Situations Requiring Public Notice, version 8
  19. Appendix H - Standard Health Effects Language for Public Notification, version 8
  20. Appendix I - Acronyms Used in Public Notification Regulation, version 4
  21. Table A - Total Coliform Monitoring Frequency (Repealed), version 8
  22. Table B - Fecal or Total Coliform Density Measurements, version 6
  23. Table C - Frequency of RDC Measurement, version 5
  24. Table D - Number of Lead and Copper Monitoring Sites, version 3
  25. Table E - Lead and Copper Monitoring Start Dates (Repealed), version 2
  26. Table F - Number of Water Quality Parameter Sampling Sites, version 2
  27. Table G - Summary of Section 611.357 Monitoring Requirements for Water Quality Parameters
  28. Table H - CT Values (mg·min/l) for Cryptosporidium Inactivation by Chlorine Dioxide
  29. Table I - CT Values (mg·min/l) for Cryptosporidium Inactivation by Ozone
  30. Table J - UV Dose Table for Cryptosporidium, Giardia lamblia, and Virus Inactivation Credit
  31. Table Z - Federal Effective Dates

State regulations are updated quarterly; we currently have two versions available. Below is a comparison between our most recent version and the prior quarterly release. More comparison features will be added as we have more versions to compare.

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