OHA Drinking Water Services
OR41
PWS ID: 00587 ---- ONTARIO, CITY OF
System Information     Schedule Counts
Status:  Active
System Type:  Community
Population Served:  14,465		 Active:  16
Inactive:  0
Expired:  22  Show Expired

Routine Sampling Schedules For Chemicals
Facility
ID		 Name Status Test Group Samples
Required		    Sampling
Interval		 Start End    Notes
CH-A1 CH FOR OLD PLANTATOC & ALKALINITY1  Quarterly07/01/2014OpenRaw and filtered TOC and alkalinity
CH-A2 CH FOR WESTECH PLANTATOC & ALKALINITY1  Quarterly07/01/2018OpenRaw and filtered TOC and alkalinity
DIST-A Distribution SystemAASBESTOS, DIST1  9 Years01/01/2002OpenSchedule Reflects Monitoring Reduction Granted
DIST-A Distribution SystemALEAD & COPPER30  3 Years01/01/2019OpenCollect 30 samples between June 1 and September 30 every third year.
DIST-A Distribution SystemASTAGE 2 DBP4  Quarterly10/01/2013OpenSample in Oct, Jan, Apr, and July
EP-A EP FOR RIVER, WELLSAARSENIC1  9 Years01/01/2020OpenSchedule reflects monitoring reduction granted.
EP-A EP FOR RIVER, WELLSAIOC1  9 Years01/01/2020Open
EP-A EP FOR RIVER, WELLSANITRATE1  Yearly01/01/2002Open
EP-A EP FOR RIVER, WELLSANITRITE1  9 Years01/01/2020Open
EP-A EP FOR RIVER, WELLSARAD - GROSS ALPHA1  6 Years01/01/2023Open
EP-A EP FOR RIVER, WELLSARAD - RADIUM 226/2281  9 Years01/01/2020Open
EP-A EP FOR RIVER, WELLSARAD - URANIUM1  6 Years01/01/2023Open
EP-A EP FOR RIVER, WELLSASOC2  3 Years01/01/2020Open2 Consec. QT Samples
EP-A EP FOR RIVER, WELLSAVOLATILE ORGANICS1  Yearly01/01/2002Open
WTP-A1 TP FOR OLD PLANTATOTAL ORGANIC CARBON1  Quarterly07/01/2014Open
WTP-A2 TP FOR WESTECH PLANTATOTAL ORGANIC CARBON1  Quarterly07/01/2018Open

More information for this water system: SDWIS ID 3898
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