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EPA is proposing the Long Term 2 Enhanced Surface Water Treatment
Rule (LT2ESWTR) to reduce disease incidence associated with Cryptosporidium
and other pathogenic microorganisms in drinking water. The LT2ESWTR
will supplement existing regulations by targeting additional Cryptosporidium
treatment requirements to higher risk systems. This proposed regulation
also contains provisions to mitigate risks from uncovered finished
water storage facilities and to ensure that systems maintain microbial
protection as they take steps to reduce the formation of disinfection
byproducts. The LT2ESWTR will apply to all systems that use surface
water or ground water under the direct influence of surface water.
This is the main web page for the LT2 rule. Links to the following
resources are available from this page:
The Long Term 2 Enhanced Surface Water Treatment Rule (LT2ESWTR)
Implementation Guidance - Draft for comment.
Please provide comments on Implementation Guidance by April 15,
2004 to ogwdw.mdbp@epa.gov
National Primary Drinking Water Regulations:
Long Term 2 Enhanced Surface Water Treatment Rule - Proposed Rule
- Fact Sheet (PDF,
92KB)
- Federal Register Notice - August 11, 2003
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