OHA Drinking Water Services
OR41
PWS ID: 95088 ---- NANTUCKET SHORES

See also: Coliform Schedules

Chemical Sampling Schedule Status
Facility
ID
Analyte or Group   Sampling
Interval
Monitoring Period Days
Until
End
Samples
Required
Samples
Received
Last
Sample
Date
Start End
DIST-A  DISTRIBUTION SYSTEM LEAD & COPPER  6 Months 01/01/2026 - 06/30/2026 82 10 incomplete09/22/2025
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesYearly 01/01/2026 - 12/31/2026 266 2 incomplete06/25/2024
  Seasonal sampling period:   06/01   thru   09/30
EP-B  EP FOR WELLS 4-6 ARSENIC  3 Years 01/01/2026 - 12/31/2028 997 1 incomplete
EP-B  EP FOR WELLS 4-6 IOC  3 Years 01/01/2026 - 12/31/2028 997 1 incomplete
EP-B  EP FOR WELLS 4-6 NITRATE  Yearly 01/01/2026 - 12/31/2026 266 1 incomplete12/10/2025
EP-B  EP FOR WELLS 4-6 NITRITE  3 Years 01/01/2026 - 12/31/2028 997 1 incomplete
EP-B  EP FOR WELLS 4-6 PFAS notes6 Months 01/01/2026 - 06/30/2026 82 1 incomplete
  Initial monitoring - 2 samples only
EP-B  EP FOR WELLS 4-6 RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,188 1 incomplete09/22/2025
EP-B  EP FOR WELLS 4-6 RAD - RADIUM 226/228 Quarterly 04/01/2026 - 06/30/2026 82 1 incomplete09/22/2025
EP-B  EP FOR WELLS 4-6 RAD - URANIUM  9 Years 01/01/2026 - 12/31/2034 3,188 1 incomplete09/22/2025
EP-B  EP FOR WELLS 4-6 SOC  Yearly 01/01/2026 - 12/31/2026 266 1 incomplete11/03/2025
EP-B  EP FOR WELLS 4-6 VOLATILE ORGANICS  Yearly 01/01/2026 - 12/31/2026 266 1 incomplete11/03/2025

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