The Utilities Commission is proud to announce the lead/copper triennial testing for our potable water results were just received - with passing results again.
All 30 samples were below the limits established for both lead and copper.
These types of results reflect:
A. The Water Production Facility producing drinking water that not only meets the standards as it leaves the plant, but for also having the overall quality properly balanced so it maintains compliance all the way to the customers taps.
Note: these two parameters represent the only quality testing that includes the homeowners plumbing, and has the homeowner collecting the sample for us to pick up, and finish the work on the analytical side.
B. The Water Resources Department's Compliance Lab - for the arduous work they performed finding 30 homeowners who would "volunteer", and for effectively training them so we had the optimal sampling performed in these target homes from the 1980's.
There was a lot of coordination and communication involved.
For over 30 years we have passed the tests for lead and copper which were mandated in 1991, by EPA (attached), to assure water quality is maintained all the way to the customers tap in homes that were built in a certain time period.
The test relies on each customer taking a "first draw" sample in the morning, from a regularly used sink, with at least 6 hours of non-use.
The EPA's goal was to reveal if the potable water was causing release of lead or copper in the home’s piping and fixtures, which makes this test more challenging than it was previous to this change.
All other quality tests are from UC designated sample spigots (approved by DEP/DHRS) which we control, around the system (for chlorine, coliform bacteria, TTHMs, etc) and collected by our trained technicians. Our strategy is to always grab samples that are "representative" of our routine product.
The lead/copper testing's strategy is completely unique, and as such the sample is representative of "aged" water in a homeowner's fixtures that may be of unknown quality, as is the same for their home's plumbing.
With this said, I think it indicates what an outstanding job the UC has done over the years with this important indicator of water quality right down to even the most difficult tests we deal with.
Because of that, we were granted reduced sampling status (30 samples every 3 years) after a few years of quarterly sampling in the early 1990's, which is another plus for the community.
Potable Water - Where Your Water Comes From
UCNSB serves approximately 25,250 potable water connections within a service area of 41.3 square miles, and a distribution system that has over 300 miles of piping. In FY 2015, UCNSB provided an average daily flow of 4.82 MGD of potable water to our customers.
The raw water supply for UCNSB is derived from the Floridan aquifer. Our 23 production wells in four distinct well fields draw from this very high quality water source in accordance with our Consumptive Use Permit (CUP), issued by the St. Johns River Water Management District. This permit allows us to withdraw up to 8.33 million gallons per day (MGD) to be used in for potable water supply needs.
Raw water from the well supply is treated at our Class A plant, which is the highest classification level designated by the State. The plant must operate with around the clock personnel 365 days a year. Every operator is fully trained and State certified in this profession. The storage, transmission, and distribution facilities of the water system include 5.9 MG of total storage capacity, 4 booster pumping stations and approximately 250 miles of 6" or larger water mains.