OHA Drinking Water Services
OR41
PWS ID: 00238 ---- LAMONTAI IMPROVEMENT WTR DIST

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 08/06/2024
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  Distribution System STAGE 2 DBP notes3 Years01/01/2026 - 12/31/2026   1incomplete06/09/2023
  Seasonal sampling period:   06/01   thru   06/30
EP-A  EP FOR WELLS #1, 2, 7, & 14-16 (N TANK) ARSENIC notes9 Years 01/01/2026 - 12/31/2034 3,214 1 incomplete08/22/2019
EP-A  EP FOR WELLS #1, 2, 7, & 14-16 (N TANK) IOC notes9 Years 01/01/2020 - 12/31/2028 1,023 1 incomplete08/22/2019
EP-A  EP FOR WELLS #1, 2, 7, & 14-16 (N TANK) NITRATE  Yearly 01/01/2026 - 12/31/2026 292 1 incomplete05/20/2025
EP-A  EP FOR WELLS #1, 2, 7, & 14-16 (N TANK) NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,023 1 incomplete08/22/2019
EP-A  EP FOR WELLS #1, 2, 7, & 14-16 (N TANK) PFAS notes6 Months 01/01/2026 - 06/30/2026 108 1 incomplete12/07/2021
  Initial monitoring - 2 samples only
EP-A  EP FOR WELLS #1, 2, 7, & 14-16 (N TANK) RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,214 1 incomplete05/20/2025
EP-A  EP FOR WELLS #1, 2, 7, & 14-16 (N TANK) RAD - RADIUM 226/228 9 Years 01/01/2026 - 12/31/2034 3,214 1 incomplete05/20/2025
EP-A  EP FOR WELLS #1, 2, 7, & 14-16 (N TANK) RAD - URANIUM  9 Years 01/01/2023 - 12/31/2031 2,118 1 incomplete09/06/2022
EP-A  EP FOR WELLS #1, 2, 7, & 14-16 (N TANK) SOC  3 Years 01/01/2026 - 12/31/2028 1,023 1 incomplete05/20/2025
EP-A  EP FOR WELLS #1, 2, 7, & 14-16 (N TANK) VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,023 1 incomplete05/20/2025
EP-B  EP FOR WELLS #3 & #4 NITRATE notesYearly 01/01/2026 - 12/31/2026 292 1 incomplete05/20/2025
EP-B  EP FOR WELLS #3 & #4 PFAS notes6 Months 01/01/2026 - 06/30/2026 108 1 incomplete
  Initial monitoring - 2 samples only
EP-C  EP FOR WELL #5 NITRATE notesYearly 01/01/2026 - 12/31/2026 292 1 incomplete05/20/2025
EP-C  EP FOR WELL #5 PFAS notes6 Months 01/01/2026 - 06/30/2026 108 1 incomplete
  Initial monitoring - 2 samples only
EP-D  EP FOR WELLS #8 - #11 ARSENIC  3 Years 01/01/2026 - 12/31/2028 1,023 1 incomplete05/27/2025
EP-D  EP FOR WELLS #8 - #11 IOC  3 Years 01/01/2026 - 12/31/2028 1,023 1 incomplete05/27/2025
EP-D  EP FOR WELLS #8 - #11 NITRATE  Yearly 01/01/2026 - 12/31/2026 292 1 incomplete05/27/2025
EP-D  EP FOR WELLS #8 - #11 NITRITE  3 Years 01/01/2026 - 12/31/2028 1,023 1 incomplete05/27/2025
EP-D  EP FOR WELLS #8 - #11 PFAS notes6 Months 01/01/2026 - 06/30/2026 108 1 incomplete
  Initial monitoring - 2 samples only
EP-D  EP FOR WELLS #8 - #11 RAD - GROSS ALPHA  9 Years 01/01/2020 - 12/31/2028 1,023 1 incomplete06/20/2017
EP-D  EP FOR WELLS #8 - #11 RAD - RADIUM 226/228 9 Years 01/01/2020 - 12/31/2028 1,023 1 incomplete06/20/2017
EP-D  EP FOR WELLS #8 - #11 RAD - URANIUM  9 Years01/01/2020 - 12/31/2028 1,023 1 done 08/16/2022
EP-D  EP FOR WELLS #8 - #11 SOC  3 Years 01/01/2026 - 12/31/2028 1,023 1 incomplete05/27/2025
EP-D  EP FOR WELLS #8 - #11 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,023 1 incomplete05/27/2025
EP-E  EP FOR WELL #13 NITRATE notesYearly 01/01/2026 - 12/31/2026 292 1 incomplete05/27/2025
EP-E  EP FOR WELL #13 PFAS notes6 Months 01/01/2026 - 06/30/2026 108 1 incomplete
  Initial monitoring - 2 samples only

6  secs
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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
DIST-A  Distribution SystemHAA5 & TTHM  Yearly01/01/200612/31/20131Sample between June 1 and Sept. 30.
DIST-A  Distribution SystemLEAD & COPPER  Yearly01/01/200212/31/20025Sample Between June 1st and Sept 30th
EP-A  EP FOR WELLS #1, 2, 7, & 14-16 (N TANK)ARSENIC  3 Years01/01/200212/31/20161
EP-A  EP FOR WELLS #1, 2, 7, & 14-16 (N TANK)RAD - URANIUM  6 Years01/01/200812/31/20131
EP-D  EP FOR WELLS #8 - #11RAD - GROSS ALPHA  Quarterly01/01/201709/30/20171
EP-D  EP FOR WELLS #8 - #11RAD - RADIUM 226/228  Quarterly01/01/201709/30/20171
EP-D  EP FOR WELLS #8 - #11RAD - URANIUM  Quarterly01/01/201709/30/20171

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