OHA Drinking Water Services
OR41
PWS ID: 01515 ---- ROW RIVER VALLEY WATER DIST
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 LAYNG CREEK 2816 HFPO-DA notes Quarterly4/1/2026 - 6/30/2026 57 1 0 12/17/2025
EP-A EP FOR LAYNG CREEK 2801 PERFLUOROBUTANE SULFONIC ACID (PFBS) notes Quarterly4/1/2026 - 6/30/2026 57 1 0 12/17/2025
EP-A EP FOR LAYNG CREEK 2805 PERFLUOROCTANE SULFONIC ACID (PFOS) notes Quarterly4/1/2026 - 6/30/2026 57 1 0 12/17/2025
EP-A EP FOR LAYNG CREEK 2806 PERFLUOROCTANOIC ACID (PFOA) notes Quarterly4/1/2026 - 6/30/2026 57 1 0 12/17/2025
EP-A EP FOR LAYNG CREEK 2803 PERFLUOROHEXANE SULFONIC ACID (PFHxS) notes Quarterly4/1/2026 - 6/30/2026 57 1 0 12/17/2025
EP-A EP FOR LAYNG CREEK 2804 PERFLUORONONANOIC ACID (PFNA) notes Quarterly4/1/2026 - 6/30/2026 57 1 0 12/17/2025