OHA Drinking Water Services
OR41
PWS ID: 00665 ---- TUALATIN VALLEY WATER DISTRICT
Single Chemical Schedule

Return to Chemical Schedule Details

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-C EP FOR WELL 1 - GRABHORN ASR 1074 ANTIMONY, TOTAL notes 9 Years1/1/2026 - 12/31/2034 3178 1 0 11/4/2020
EP-C EP FOR WELL 1 - GRABHORN ASR 1010 BARIUM notes 9 Years1/1/2026 - 12/31/2034 3178 1 0 9/26/2023
EP-C EP FOR WELL 1 - GRABHORN ASR 1075 BERYLLIUM, TOTAL notes 9 Years1/1/2026 - 12/31/2034 3178 1 0 11/4/2020
EP-C EP FOR WELL 1 - GRABHORN ASR 1015 CADMIUM notes 9 Years1/1/2026 - 12/31/2034 3178 1 0 11/4/2020
EP-C EP FOR WELL 1 - GRABHORN ASR 1020 CHROMIUM notes 9 Years1/1/2026 - 12/31/2034 3178 1 0 9/26/2023
EP-C EP FOR WELL 1 - GRABHORN ASR 1024 CYANIDE notes 9 Years1/1/2026 - 12/31/2034 3178 1 0 11/4/2020
EP-C EP FOR WELL 1 - GRABHORN ASR 1025 FLUORIDE notes 9 Years1/1/2026 - 12/31/2034 3178 1 0 9/26/2023
EP-C EP FOR WELL 1 - GRABHORN ASR 1035 MERCURY notes 9 Years1/1/2026 - 12/31/2034 3178 1 0 9/26/2023
EP-C EP FOR WELL 1 - GRABHORN ASR 1036 NICKEL notes 9 Years1/1/2026 - 12/31/2034 3178 1 0 9/26/2023
EP-C EP FOR WELL 1 - GRABHORN ASR 1045 SELENIUM notes 9 Years1/1/2026 - 12/31/2034 3178 1 0 11/4/2020
EP-C EP FOR WELL 1 - GRABHORN ASR 1052 SODIUM notes 9 Years1/1/2026 - 12/31/2034 3178 1 0 9/26/2023
EP-C EP FOR WELL 1 - GRABHORN ASR 1085 THALLIUM, TOTAL notes 9 Years1/1/2026 - 12/31/2034 3178 1 0 9/26/2023