PWS ID: 00667 ---- RALEIGH 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
4Q2012 Dec 05, 2012 2DBP-01 6500 OLD SCHOLLS 0.025 0.034 0.016 0.022
3Q2012 Sep 04, 2012 2DBP-01 6500 OLD SCHOLLS 0.015 0.011
2Q2012 Jun 05, 2012 2DBP-01 6500 OLD SCHOLLS 0.007 0.006
4Q2012 Dec 05, 2012 2DBP-02 6320 SW SCHOLLS FERRY 0.023 0.033 0.018 0.027
3Q2012 Sep 04, 2012 2DBP-02 6320 SW SCHOLLS FERRY 0.014 0.010
2Q2012 Jun 05, 2012 2DBP-02 6320 SW SCHOLLS FERRY 0.007 0.006
 



For further information on this public water system, click on the area of interest below:
System Info :: Report for Lenders :: Alerts :: Violations :: Compliance & Enforcement :: Contacts & Advisories :: Site Visits :: Public Notice
Coliform Summary :: Coliform Results :: Sampling Schedule for Coliform :: Groundwater/GWUDI Source Details :: Plan Review
Chemical Group Summary :: Latest Chemical Results :: Entry Point Detects :: Single Analyte Results 
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: 4066