January 3, 2002 -- Volume 3, No. 1
safedrinkingwater.com NEWS -- the premier newsletter for the drinking water quality industry.

This week's NEWS

Welcome to This week's and this year's NEWS...No. 1.  EPA's Perchlorate health risk assessment will be aired......before California's goes final?  NRDC sues EPA for adopting the arsenic MCL they previously advocated, sort of.  Health risk assessment for laypersons may help with communications.  Sydney not out of the crypto-woods.  Where is an MRDL an MCL?  In California, if you are a POU device!  Congress will conference to reconcile House-Senate differences on water security funding issues.

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  • Long awaited EPA health risk assessment for perchlorate is......coming soon (Federal Register, January 2)
    Commentary Finally, the USEPA has announced that a revised draft Human Health and Ecological Risk Assessment of Perchlorate will be available in the Federal Register on January 9 with a public comment period ending February 11. An external peer review workshop will be held in Sacramento on March 5-6. In the meantime, there is no news on the status of the California risk assessment that is underway to support a Public Health Goal for drinking water.

Health Risk Assessment Guide


Federal Regulatory Activity

Vulnerable Population Regulations

State Regulatory Activity

  • California has updated its guidance manual for preparing Consumer Confidence Reports (pdf file, 52 pages)
    Commentary: Changes are clearly annotated and include mandatory arsenic health language, technical corrections and new information on the aptly labeled "Regulated Contaminants with No MCLs" (i.e. Unregulated Contaminants).
  • Minnesota considers health risk limits for groundwater rule
  • Michigan proposes regulations on disinfection, enhanced filtration and public notification
  • California POU Device certification regs will address MRDLs (Water Tech Online, December 26)
    Commentary: The article correctly indicates that CDHS will differentiate between "aesthetic" and "health" claims in dealing with the Maximum Residual Disinfectant Levels for chlorine, chloramine and chlorine dioxide in proposed new device certification regulations. However, the reference to "chlorine gas" is in error.  California's device certification law does not address aesthetic claims. Device manufacturers were concerned that DHS' treating the chlorine MRDL as "an MCL" (based on the Department's legal advice) would necessitate more costly testing for aesthetic claims. The testing requirements for challenge level and percent removal of a contaminant are more stringent for "health claims" than for "aesthetic claims."  Water suppliers have some obvious apprehension about water disinfectants being called "contaminants" which was why the MRDL language evolved out of the Stage 1 DBP rule negotiations.

Water System Security



Water Treatment

Groundwater and Superfund


Source Water


Water Reuse


  • Trust's Rust Busts Bridal Lust
    Commentary: While it features spores, pathogens and herbicides, it has nothing whatsoever to do with drinking water, but it provides great inspiration for sports-page headline writers!

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