HomeMy WebLinkAbout7 2016 Public Health Goals Report
PUBLIC HEARING #72016 Public Health Goals Report2016 Public Health Goals Report October 5, 2016
2016 Public Health Goals Report reduce exposures below the PHGconstituents, their potential health effects, and estimated costs to The PHG report must also include information regarding
the •during the previous monitoring periodHealth Goals (PHG) have been established, and have been exceeded The report is to outline water quality constituents for which Public •provide
a Public Health Goals Report every three yearswater systems with greater than 10,000 service connections to California Health and Safety Code, Section 114670(b) requires public •BACKGROUND
/ HISTORY 2016 Public Health Goals Report
2016 Public Health Goals Report at a regularly scheduled board meeting.The District’s 2013 PHG report was presented at a public hearing held •comment through the public hearing processmust
provide an opportunity for service area customers to review and Following the completion of the PHG report, public water systems •BACKGROUND / HISTORY 2016 Public Health Goals Report
NEW INFORMATION comment at the Board’s directionStaff has prepared a review of the report to be presented for public •A copy of the PHG report has been included with the staff report•submitted
to the California State Water Resources Control Board The District’s 2016 Public Health Goals report has been prepared and •2016 Public Health Goals Report2016 Public Health Goals Report
PUBLIC HEARING PHG are not enforceable and are strictly intended to be health goals•technologies, or costfactors such as analytical detection capabilities, available treatment When establishing
PHG standards, the OEHHA does not consider •solely on public health risk considerationsEnvironmental Health Hazard Assessment (OEHHA) and are based Public Health Goals (PHG) are set
by the California Office of •2016 Public Health Goals Report2016 Public Health Goals Report
PUBLIC HEARING and the SWRCBpublished by the Association of California Water Agencies (ACWA) For the purposes of preparing the report, staff used guidelines •consideredfrom the potable
water system between 2013 and 2015 were For the District’s 2016 PHG report, all water quality data collected •2016 Public Health Goals Report2016 Public Health Goals Report
PUBLIC HEARING 9.5ppbSanders Well•4.0ppbProsser Village Well•6.0ppbOld Greenwood Well•9.9ppbAirport Well•9.9ppbMartis Valley Well •9.9ppbGlenshire Drive Well •The District has detected
arsenic in 6 of the 12 groundwater wells:•is 10 parts per billion (ppb) and the PHG is .004 ppb: The SWRCB Maximum Contaminant Level (MCL) for arsenic Arsenic•Constituents Exceeding
the PHG:2016 Public Health Goals Report2016 Public Health Goals Report
PUBLIC HEARING approximately $525 per customerThis would result in an assumed annual estimated operating cost of •initial construction, with an additional $6.5M estimated annual O&Mwells
where arsenic has been detected is approximately $7.6M for The estimated cost to install treatment systems of this nature at all 6 •utilized in efforts to reduce arsenic levels in potable
water sourcesFixed bed adsorption systems are a filtration technology commonly •Best Available Technologies (BAT):Report2016 Public Health Goals Report2016 Public Health Goals
PUBLIC HEARING further action is recommendedsignificant costs associated with testing and implementation, no reducing arsenic levels in water already below the MCL, and the Based on
the uncertainty of available treatment technologies in •extensive range of costly testing and construction would be requiredhealth based MCLs established by the SWRCB and USEPA, an
In order to further reduce constituent levels, that currently meet the •meets or exceeds all SWRCB and USEPA standardsDrinking water quality for the Truckee Donner Public Utility District
•Recommendation for Further Action:2016 Public Health Goals Report2016 Public Health Goals Report
FISCAL IMPACT impact associated with this itemno direct fiscal There is •2016 Public Health Goals Report2016 Public Health Goals Report
RECOMMENDATION Direct staff to file this report•receive commentHold a public hearing and •2016 Public Health Goals Report2016 Public Health Goals Report