Water Supply Emergency Update

Per the Connecticut Department of Public Health's Declaration & Order dated September 29, 2016, Aquarion Water Company will provide this weekly water supply emergency update for our Darien, Greenwich, New Canaan and Stamford water systems.


Update 11-10-16

A. System Status


Figure 1. Daily Water Demands | Download Chart PDF


Figure 1a – Greenwich Demand Summary (2013 – 2016)

Figure 1b – Stamford Demand Summary (2013 – 2016)

Figure 1c – Darien Demand summary (2013 – 2016)

Figure 1d – New Canaan Demand summary (2013 – 2016)


Figure 2. Daily Water Transfers | Download Chart PDF


Figure 2. (Page 2) Daily Water Transfers | Download Chart PDF


Figure 3. Greenwich Reservoir Status - 11/10/16  | Download Chart PDF


Figure 4. Stamford Reservoir Status - 11/10/16  | Download Chart PDF


Figure 5. Greenwich / Stamford System Storage Capacity | Download Chart PDF


Figure 6. Greenwich / Stamford System - Storage Remaining | Download Chart PDF


Figure 7. Daily Water Withdrawals From Systems | Download Chart PDF


Figure 8. Daily Precipitation Amounts | Download Chart PDF


Figure 8a. Greenwich Rainfall Deficit | Download Chart PDF


Figure 8b. Stamford Rainfall Deficit | Download Chart PDF


U.S. Drought Monitor Connecticut

U.S. Seasonal Drought Outlook


Figure 9. Daily Well Production (Rewak and Wire Mill Wells) | Download Chart PDF


B. Conservation Communications and Enforcement


Door-to-door visits: Total up to 11/06 - 18,379

Possible in-home customer leaks – Leak detection will continue next week.

System leak detection:

Figure 10. Leak Survey Totals | Download Chart PDF

Violators: No violators were reported.

Customer direct mail: Direct mail postcard mailed to all Darien, Greenwich, New Canaan and Stamford customers on 10/5/16. A second postcard was mailed on 10/19/16.

Local newspaper advertising:
Daily papers - Greenwich Time, Stamford Advocate - 9/28, 9/30, 10/5, 10/7, 10/12, 10/14, 10/26, 10/28, Stamford Advocate - 11/2, 11/4
Weekly papers - Darien Times, New Canaan Advertiser - 9/29, 10/6, 10/13, 10/20, 10/27, 11/3 | Darien News, New Canaan News - 9/30, 10/7, 10/14, 10/28, 11/4 | Greenwich Sentinel - 10/21, 10/28, 11/4

Newspaper advertising will resume in two weeks with an indoor water conservation focus.

Mobile billboard: Mobile billboard began into Greenwich on Wednesday, October 12, and was in Stamford on Thursday, October 13, and is in Darien and New Canaan on Friday, October 14. Mobile billboard was in all four towns over the weekend of October 15-16, and October 19-21. The billboard was in Rye and Ryebrook on October 22-23. The billboard was in Darien, Greenwich, New Canaan and Stamford through October 30.

Press releases: 9/16 - Mandatory watering ban, 9/29 - Water supply emergency declaration


C. Communications with Suez and New York officials in Rye, Rye Brook and Port Chester


We have continued to provide daily updates to Suez on the status of our operations and water conservation initiatives. A letter was sent to Suez CEO Eric Gernath requesting that they (1) further reduce their demand from our system, (2) invest in temporary infrastructure if necessary to reduce their demand on our system, and (3) evaluate their long term water supply options.


D. Communications with Connecticut officials in Darien, Greenwich, New Canaan and Stamford


Aquarion has had day-to-day communications with town officials. A conference call with town officials, health directors and the CT Department of Health is scheduled for Thursday, November 10. A water conserveration workshop for town officials, DPH, and DEEP, is also being planned for December 13.


E. Water Quality


Figure 11. Untreated Water Monitoring Results - Greenwich - Putnam  | Download Chart PDF


Figure 12. Untreated Water Monitoring Results - Greenwich - Mianus  | Download Chart PDF


Figure 13. Untreated Water Monitoring Results - Inorganics & Pesticides - Greenwich  | Download Chart PDF


Figure 13. (Page 2) Untreated Water Monitoring Results - Inorganics & Pesticides - Greenwich  | Download Chart PDF


Figure 14. Untreated Water Monitoring Results - Stamford  | Download Chart PDF


Figure 15. Untreated Water Monitoring Results - Inorganics & Pesticides - Stamford  | Download Chart PDF


Figure 16. Treated Water Monitoring Results - Amended Order - Stamford at Iliff Pump Station | Download Chart PDF


F. Withdrawals, Diversions and Transfers


Figure 17. Diversion Summary | Download Chart PDF


G. Stream Flow Information


Figure 18. Reservoir Releases | Download Chart PDF


Water Supply Emergency Update Archives


Water Supply Emergency Update 11-4-16

Water Supply Emergency Update 10-28-16

Water Supply Emergency Update 10-21-16

Water Supply Emergency Update 10-14-16

Water Supply Emergency Update 10-7-16