OHA Drinking Water Services
OR41
PWS ID: 00587 ---- ONTARIO, CITY OF
Single Chemical Schedule

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Facility
ID		 Facility Name Analyte
Code		 Analyte Sampling
Interval		 Monitoring
Period
Start		 Monitoring
Period
Due Date		 Days
Until
Due		 Samples
Required		 Samples
Received		 Last
Sample
Date		 Seasonal Sampling
Period
CH-A1 CH FOR OLD PLANT 1927 ALKALINITY, TOTAL notes Quarterly1/1/2026 - 3/31/2026 84 1 0 10/13/2025
CH-A1 CH FOR OLD PLANT 2920 TOTAL ORGANIC CARBON notes Quarterly1/1/2026 - 3/31/2026 84 1 0 10/13/2025


More information for this water system: SDWIS ID 3898
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