OHA Drinking Water Services
OR41
PWS ID: 00902 ---- INTERLACHEN WATER PUD

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 notes3 Years01/01/2027 - 12/31/2027   5 08/28/2024
 Seasonal sampling period:  06/01  thru  09/30
EP-A  EP FOR INTERLACHEN WELL #2 ARSENIC notes9 Years 01/01/2026 - 12/31/2034 3,268 1 incomplete11/15/2013
EP-A  EP FOR INTERLACHEN WELL #2 IOC notes9 Years 01/01/2026 - 12/31/2034 3,268 1 incomplete11/16/2010
EP-A  EP FOR INTERLACHEN WELL #2 NITRATE  Yearly 01/01/2026 - 12/31/2026 346 1 incomplete08/27/2024
EP-A  EP FOR INTERLACHEN WELL #2 NITRITE notes9 Years 01/01/2026 - 12/31/2034 3,268 1 incomplete11/16/2010
EP-A  EP FOR INTERLACHEN WELL #2 RAD - GROSS ALPHA notes9 Years 01/01/2026 - 12/31/2034 3,268 1 incomplete09/30/2013
EP-A  EP FOR INTERLACHEN WELL #2 RAD - RADIUM 226/228notes9 Years 01/01/2023 - 12/31/2031 2,172 1 incomplete09/14/2022
EP-A  EP FOR INTERLACHEN WELL #2 RAD - URANIUM notes9 Years 01/01/2026 - 12/31/2034 3,268 1 incomplete09/30/2013
EP-A  EP FOR INTERLACHEN WELL #2 SOC  3 Years 01/01/2026 - 12/31/2028 1,077 1 incomplete09/15/2022
EP-A  EP FOR INTERLACHEN WELL #2 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,077 1 incomplete09/24/2025
EP-B  EP FOR INTERLACHEN WELL #3 ARSENIC notes9 Years 01/01/2026 - 12/31/2034 3,268 1 incomplete09/24/2025
EP-B  EP FOR INTERLACHEN WELL #3 IOC notes9 Years 01/01/2026 - 12/31/2034 3,268 1 incomplete09/24/2025
EP-B  EP FOR INTERLACHEN WELL #3 NITRATE  Yearly 01/01/2026 - 12/31/2026 346 1 incomplete09/24/2025
EP-B  EP FOR INTERLACHEN WELL #3 NITRITE notes9 Years 01/01/2026 - 12/31/2034 3,268 1 incomplete09/24/2025
EP-B  EP FOR INTERLACHEN WELL #3 RAD - GROSS ALPHA notes9 Years 01/01/2026 - 12/31/2034 3,268 1 incomplete09/30/2013
EP-B  EP FOR INTERLACHEN WELL #3 RAD - RADIUM 226/228notes9 Years 01/01/2026 - 12/31/2034 3,268 1 incomplete09/30/2013
EP-B  EP FOR INTERLACHEN WELL #3 RAD - URANIUM notes9 Years 01/01/2026 - 12/31/2034 3,268 1 incomplete09/30/2013
EP-B  EP FOR INTERLACHEN WELL #3 SOC  3 Years 01/01/2026 - 12/31/2028 1,077 1 incomplete09/16/2022
EP-B  EP FOR INTERLACHEN WELL #3 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,077 1 incomplete09/24/2025
EP-D  EP FOR INTERLACHEN WELL #1DI(2-ETHYLHEXYL) PHTHALATE  Yearly01/01/2026 - 12/31/2026 346 1 incomplete 03/01/2024
EP-D  EP FOR INTERLACHEN WELL #1 ARSENIC notes9 Years 01/01/2026 - 12/31/2034 3,268 1 incomplete09/24/2025
EP-D  EP FOR INTERLACHEN WELL #1 IOC notes9 Years 01/01/2026 - 12/31/2034 3,268 1 incomplete09/24/2025
EP-D  EP FOR INTERLACHEN WELL #1 NITRATE  Yearly 01/01/2026 - 12/31/2026 346 1 incomplete09/24/2025
EP-D  EP FOR INTERLACHEN WELL #1 NITRITE notes9 Years 01/01/2026 - 12/31/2034 3,268 1 incomplete09/24/2025
EP-D  EP FOR INTERLACHEN WELL #1 RAD - GROSS ALPHA notes9 Years 01/01/2026 - 12/31/2034 3,268 1 incomplete09/30/2013
EP-D  EP FOR INTERLACHEN WELL #1 RAD - RADIUM 226/228notes9 Years 01/01/2026 - 12/31/2034 3,268 1 incomplete09/30/2013
EP-D  EP FOR INTERLACHEN WELL #1 RAD - URANIUM notes9 Years 01/01/2026 - 12/31/2034 3,268 1 incomplete09/30/2013
EP-D  EP FOR INTERLACHEN WELL #1 SOC  3 Years 01/01/2026 - 12/31/2028 1,077 1 incomplete09/15/2022
EP-D  EP FOR INTERLACHEN WELL #1 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,077 1 incomplete09/24/2025
EP-E  EP FOR INTERLACHEN WELL #4 ARSENIC notes9 Years 01/01/2026 - 12/31/2034 3,268 1 incomplete09/24/2025
EP-E  EP FOR INTERLACHEN WELL #4 IOC notes9 Years 01/01/2026 - 12/31/2034 3,268 1 incomplete09/24/2025
EP-E  EP FOR INTERLACHEN WELL #4 NITRATE  Yearly 01/01/2026 - 12/31/2026 346 1 incomplete09/24/2025
EP-E  EP FOR INTERLACHEN WELL #4 NITRITE notes9 Years 01/01/2026 - 12/31/2034 3,268 1 incomplete09/24/2025
EP-E  EP FOR INTERLACHEN WELL #4 RAD - GROSS ALPHA notes9 Years 01/01/2026 - 12/31/2034 3,268 1 incomplete09/30/2013
EP-E  EP FOR INTERLACHEN WELL #4 RAD - RADIUM 226/228notes9 Years 01/01/2026 - 12/31/2034 3,268 1 incomplete09/30/2013
EP-E  EP FOR INTERLACHEN WELL #4 RAD - URANIUM notes9 Years 01/01/2026 - 12/31/2034 3,268 1 incomplete09/30/2013
EP-E  EP FOR INTERLACHEN WELL #4 SOC  3 Years 01/01/2026 - 12/31/2028 1,077 1 incomplete09/16/2022
EP-E  EP FOR INTERLACHEN WELL #4 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,077 1 incomplete09/24/2025

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