OHA Drinking Water Services
OR41
PWS ID: 00657 ---- PORTLAND WATER BUREAU
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
EP-B GWPS EP FOR GROUNDWATER PUMP STATION 1074 ANTIMONY, TOTAL 9 Years1/1/2020 - 12/31/2028 996 1 1 7/22/2025
EP-B GWPS EP FOR GROUNDWATER PUMP STATION 1010 BARIUM 9 Years1/1/2020 - 12/31/2028 996 1 1 7/22/2025
EP-B GWPS EP FOR GROUNDWATER PUMP STATION 1075 BERYLLIUM, TOTAL 9 Years1/1/2020 - 12/31/2028 996 1 1 7/22/2025
EP-B GWPS EP FOR GROUNDWATER PUMP STATION 1015 CADMIUM 9 Years1/1/2020 - 12/31/2028 996 1 1 7/22/2025
EP-B GWPS EP FOR GROUNDWATER PUMP STATION 1020 CHROMIUM 9 Years1/1/2020 - 12/31/2028 996 1 1 7/22/2025
EP-B GWPS EP FOR GROUNDWATER PUMP STATION 1024 CYANIDE 9 Years1/1/2020 - 12/31/2028 996 1 1 7/22/2025
EP-B GWPS EP FOR GROUNDWATER PUMP STATION 1025 FLUORIDE 9 Years1/1/2020 - 12/31/2028 996 1 1 7/22/2025
EP-B GWPS EP FOR GROUNDWATER PUMP STATION 1035 MERCURY 9 Years1/1/2020 - 12/31/2028 996 1 1 7/22/2025
EP-B GWPS EP FOR GROUNDWATER PUMP STATION 1036 NICKEL 9 Years1/1/2020 - 12/31/2028 996 1 1 7/22/2025
EP-B GWPS EP FOR GROUNDWATER PUMP STATION 1045 SELENIUM 9 Years1/1/2020 - 12/31/2028 996 1 1 7/22/2025
EP-B GWPS EP FOR GROUNDWATER PUMP STATION 1052 SODIUM 9 Years1/1/2020 - 12/31/2028 996 1 1 7/22/2025
EP-B GWPS EP FOR GROUNDWATER PUMP STATION 1085 THALLIUM, TOTAL 9 Years1/1/2020 - 12/31/2028 996 1 1 7/22/2025