Cyanobacteria (Blue Green Algae)

Practice - Process for Managing Algal Toxin Detections In Finished Water Samples for Public Water Systems  (PDF)

Guidance - Suggestions for Public Water Suppliers Regarding Assessing the Results of Weekly Lake-Wide Cyanobacteria Monitoring Program   (PDF)

Watershed Management Division-Cyanobacteria in Vermont (How to Identify and Report Bloom)

Vermont Department of Health Blue Green Algae Information

Lake Champlain Weekly Status Report

Disinfection of Drinking Water

Below are links to a number of sites and documents that provide information on disinfection, and more specifically on chloramination, of public water supplies.

Links:

Engineering Feasibility Study on the Costs of Treatment Options for Reducing Disinfection Byproducts in Public Drinking Water Systems  (Main Report)

Appendix 1: References

Appendix 2: Computer Model Output Summaries

Appendix 3: Operational Data & Survey Information

Appendix 4: Distribution System Disinfection Byproducts Rule Data Over Time

Appendix 5: Consecutive System Disinfection Byproducts Rule Data Over Time

Appendix 6: Distribution Maps

Appendix 7: Concept Site Plans

Appendix 8: Questions & Responses in Draft Report

Appendix 9: Service Line Scale Analysis

Appendix 10: Draft Report Workshop Video (on DVD)

Appendix 11: Cost Basis for Capital and O & M

Fact Sheet: Summary of Chloramination (4 pages, 90KB PDF)

Health Department Offers Expanded Information on Monochloramine: Press Release

EPA’s Information about Chloramine in Drinking Water

Vermont Water Supply Division Symposium on Drinking Water- Presentations:

• Alternative Secondary Disinfectants: Advantages and Disadvantages
• Reducing Disinfection By-Products: Cambridge, MA Case Study
• Development of the Stage 2 Disinfectants and Disinfection By-Products Rule
• Evaluating Options Using the Simultaneous Compliance Manual-St. Johnsbury, VT
• Primary Disinfectants in Drinking Water: Alternatives & Their Characteristics
• Risks from Disinfection By-Products Produced by Chlorine, Chloramine, and Chlorine Dioxide
• Waterborne Organisms and Disease: The Need for Disinfection

Annual Compliance Reports

2010

Annual Compliance Report  47 pages PDF

              2009

              Annual Compliance Report   45 pages PDF

              2008

              Annual Compliance Report 48 pages PDF

              2007

              Annual Compliance Report 56 pages PDF

2006

Annual Compliance Report 82 pages PDF

2005

Annual Compliance Report 81 pages PDF

2004

Annual Compliance Report 51 pages PDF

2003

Annual Compliance Report 53 pages PDF

 

On-line at EPA
Water system violations are also now available on EPA's website "Envirofacts" located at: www.epa.gov/enviro/index.html
Check out your system's record. If you feel the data is in error, contact the Vermont Water Supply Division at 802-241-3405.