OHA Drinking Water Services
OR41
PWS ID: 00338 ---- GRAND RONDE COMMUNITY WTR ASSN
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-A EP FOR SPRINGS 1074 ANTIMONY, TOTAL 3 Years1/1/2026 - 12/31/2028 981 1 0 8/18/2025
EP-A EP FOR SPRINGS 1010 BARIUM 3 Years1/1/2026 - 12/31/2028 981 1 0 8/18/2025
EP-A EP FOR SPRINGS 1075 BERYLLIUM, TOTAL 3 Years1/1/2026 - 12/31/2028 981 1 0 8/18/2025
EP-A EP FOR SPRINGS 1015 CADMIUM 3 Years1/1/2026 - 12/31/2028 981 1 0 8/18/2025
EP-A EP FOR SPRINGS 1020 CHROMIUM 3 Years1/1/2026 - 12/31/2028 981 1 0 8/18/2025
EP-A EP FOR SPRINGS 1024 CYANIDE 3 Years1/1/2026 - 12/31/2028 981 1 0 8/18/2025
EP-A EP FOR SPRINGS 1025 FLUORIDE 3 Years1/1/2026 - 12/31/2028 981 1 0 8/18/2025
EP-A EP FOR SPRINGS 1035 MERCURY 3 Years1/1/2026 - 12/31/2028 981 1 0 8/18/2025
EP-A EP FOR SPRINGS 1036 NICKEL 3 Years1/1/2026 - 12/31/2028 981 1 0 8/18/2025
EP-A EP FOR SPRINGS 1045 SELENIUM 3 Years1/1/2026 - 12/31/2028 981 1 0 8/18/2025
EP-A EP FOR SPRINGS 1052 SODIUM 3 Years1/1/2026 - 12/31/2028 981 1 0 8/18/2025
EP-A EP FOR SPRINGS 1085 THALLIUM, TOTAL 3 Years1/1/2026 - 12/31/2028 981 1 0 8/18/2025