PWS ID: 00493 ---- LYONS MEHAMA WATER DISTRICT
LRAAs and OELs

LRAA = Locational running annual average; OEL = Operational evaluation level. Learn about OELs here.
Averages are subject to change as new data is taken into consideration.

Monitoring
Period
Last
Sample
Sample
Point
Location
 
TTHM LRAA
MCL = 0.080
TTHM
OEL
HAA5 LRAA
MCL = 0.060
HAA5
OEL
4Q2015 Nov 10, 2015 2DBP-01 NORTH RESERVOIR WHEN WTP OFF 0.011 0.012 0.007 0.006
 
3Q2015 Sep 09, 2015 2DBP-01 NORTH RESERVOIR WHEN WTP OFF 0.011 0.013 0.008 0.008
 
2Q2015 May 13, 2015 2DBP-01 NORTH RESERVOIR WHEN WTP OFF 0.011 0.009 0.009 0.009
 
1Q2015 Mar 12, 2015 2DBP-01 NORTH RESERVOIR WHEN WTP OFF 0.011 0.010 0.009 0.009
 
4Q2014 Nov 07, 2014 2DBP-01 NORTH RESERVOIR WHEN WTP OFF 0.011 0.012 0.011 0.010
 
3Q2014 Sep 09, 2014 2DBP-01 NORTH RESERVOIR WHEN WTP OFF 0.011 0.012 0.009 0.011
 
2Q2014 Jun 17, 2014 2DBP-01 NORTH RESERVOIR WHEN WTP OFF 0.007 0.010 0.006
 
1Q2014 Mar 11, 2014 2DBP-01 NORTH RESERVOIR WHEN WTP OFF 0.004 0.004
 
4Q2013 Dec 05, 2013 2DBP-01 NORTH RESERVOIR WHEN WTP OFF 0.002 0.001
 



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Coliform Summary :: Coliform Results :: Sampling Schedule for Coliform :: Groundwater/GWUDI Source Details :: Plan Review :: Annual Fee
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Chemical Schedule Summary :: Chemical Schedule Details
Lead & Copper :: Corrosion Control (LCR) :: Nitrate :: Arsenic :: Radionuclides :: GWR 4-Log :: LT2 :: Cyanotoxins
DBPs :: TOC & Alkalinity :: DBP Sample Sites :: FANLs :: MRDL :: Turbidity :: SWTR :: RAA :: LRAA For SDWIS: 3967