OHA Drinking Water Services
OR41
PWS ID: 00370 ---- BLACK MOUNTAIN WATER DISTRICT

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 08/14/2024
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notes3 Years01/01/2026 - 12/31/2026   1incomplete09/24/2023
  Seasonal sampling period:   09/01   thru   09/30
EP-A  EP FOR SPRINGS 1 & 2 ARSENIC notes9 Years 01/01/2026 - 12/31/2034 3,161 1 incomplete08/19/2025
EP-A  EP FOR SPRINGS 1 & 2 IOC notes9 Years 01/01/2026 - 12/31/2034 3,161 1 incomplete08/19/2025
EP-A  EP FOR SPRINGS 1 & 2 NITRATE  Yearly01/01/2026 - 12/31/2026 239 1 done 02/19/2026
EP-A  EP FOR SPRINGS 1 & 2 NITRITE notes9 Years 01/01/2026 - 12/31/2034 3,161 1 incomplete08/19/2025
EP-A  EP FOR SPRINGS 1 & 2 PFAS notes6 Months 01/01/2026 - 06/30/2026 55 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP FOR SPRINGS 1 & 2 RAD - GROSS ALPHA  9 Years 01/01/2020 - 12/31/2028 970 1 incomplete07/22/2019
EP-A  EP FOR SPRINGS 1 & 2 RAD - RADIUM 226/228 9 Years 01/01/2020 - 12/31/2028 970 1 incomplete07/22/2019
EP-A  EP FOR SPRINGS 1 & 2 RAD - URANIUM  9 Years 01/01/2020 - 12/31/2028 970 1 incomplete07/22/2019
EP-A  EP FOR SPRINGS 1 & 2 SOC MINUS SOCR CHEMSnotes9 Years 01/01/2026 - 12/31/2034 3,161 1 incomplete08/19/2025
EP-A  EP FOR SPRINGS 1 & 2 SOCR  3 Years 01/01/2026 - 12/31/2028 970 1 incomplete08/19/2025
EP-A  EP FOR SPRINGS 1 & 2 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 970 1 incomplete08/19/2025
EP-B  EP FOR SPRING #3 ARSENIC  9 Years01/01/2023 - 12/31/2031 2,065 1 done 09/22/2025
EP-B  EP FOR SPRING #3 IOC  9 Years01/01/2023 - 12/31/2031 2,065 1 done 09/22/2025
EP-B  EP FOR SPRING #3 NITRATE  Yearly 01/01/2026 - 12/31/2026 239 1 incomplete09/22/2025
EP-B  EP FOR SPRING #3 NITRITE  9 Years01/01/2023 - 12/31/2031 2,065 1 done 09/22/2025
EP-B  EP FOR SPRING #3 PFAS notes6 Months 01/01/2026 - 06/30/2026 55 1 incomplete
  Initial monitoring - 2 samples only
EP-B  EP FOR SPRING #3 RAD - GROSS ALPHA  9 Years 01/01/2020 - 12/31/2028 970 1 incomplete08/19/2019
EP-B  EP FOR SPRING #3 RAD - RADIUM 226/228 9 Years 01/01/2020 - 12/31/2028 970 1 incomplete08/19/2019
EP-B  EP FOR SPRING #3 RAD - URANIUM  9 Years 01/01/2020 - 12/31/2028 970 1 incomplete08/19/2019
EP-B  EP FOR SPRING #3 SOC MINUS SOCR CHEMSnotes9 Years 01/01/2026 - 12/31/2034 3,161 1 incomplete09/22/2025
EP-B  EP FOR SPRING #3 SOCR  3 Years 01/01/2026 - 12/31/2028 970 1 incomplete09/22/2025
EP-B  EP FOR SPRING #3 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 970 1 incomplete09/22/2025
EP-C  EP FOR SPRINGS 4 & 5 ARSENIC  9 Years 01/01/2023 - 12/31/2031 2,065 1 incomplete07/17/2022
EP-C  EP FOR SPRINGS 4 & 5 IOC  9 Years 01/01/2023 - 12/31/2031 2,065 1 incomplete07/17/2022
EP-C  EP FOR SPRINGS 4 & 5 NITRATE  Yearly 01/01/2026 - 12/31/2026 239 1 incomplete07/21/2025
EP-C  EP FOR SPRINGS 4 & 5 NITRITE  9 Years 01/01/2023 - 12/31/2031 2,065 1 incomplete09/28/2022
EP-C  EP FOR SPRINGS 4 & 5 PFAS notes6 Months 01/01/2026 - 06/30/2026 55 1 incomplete
  Initial monitoring - 2 samples only
EP-C  EP FOR SPRINGS 4 & 5 RAD - GROSS ALPHA  9 Years 01/01/2020 - 12/31/2028 970 1 incomplete09/16/2019
EP-C  EP FOR SPRINGS 4 & 5 RAD - RADIUM 226/228 9 Years 01/01/2020 - 12/31/2028 970 1 incomplete09/16/2019
EP-C  EP FOR SPRINGS 4 & 5 RAD - URANIUM  9 Years 01/01/2020 - 12/31/2028 970 1 incomplete09/16/2019
EP-C  EP FOR SPRINGS 4 & 5 SOC MINUS SOCR CHEMSnotes9 Years 01/01/2026 - 12/31/2034 3,161 1 incomplete07/21/2025
EP-C  EP FOR SPRINGS 4 & 5 SOCR  3 Years 01/01/2026 - 12/31/2028 970 1 incomplete07/21/2025
EP-C  EP FOR SPRINGS 4 & 5 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 970 1 incomplete07/21/2025

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Expired Schedules
Facility
ID
Analyte or Group    Sampling
Interval
Start End Samples
Required
   Notes
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  6 Months01/01/200612/31/20065
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  Yearly01/01/200712/31/20095Sample between June 1st and Sept 30th
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  Yearly01/01/201012/31/20125Sample between June 1 - Sept 30
EP-A  EP FOR SPRINGS 1 & 2ARSENIC  3 Years01/01/200512/31/20161
EP-A  EP FOR SPRINGS 1 & 2IOC  3 Years01/01/200512/31/20161
EP-A  EP FOR SPRINGS 1 & 2NITRITE  3 Years01/01/200812/31/20161
EP-A  EP FOR SPRINGS 1 & 2RAD - GROSS ALPHA  Quarterly01/01/200712/31/20071
EP-A  EP FOR SPRINGS 1 & 2RAD - GROSS ALPHA  Quarterly04/01/201009/30/20101
EP-A  EP FOR SPRINGS 1 & 2RAD - RADIUM 226/228  6 Years01/01/201412/31/20191
EP-A  EP FOR SPRINGS 1 & 2RAD - RADIUM 226/228  Quarterly01/01/200712/31/20071
EP-A  EP FOR SPRINGS 1 & 2RAD - RADIUM 226/228  Quarterly04/01/201006/30/20121
EP-A  EP FOR SPRINGS 1 & 2RAD - URANIUM  Quarterly01/01/200712/31/20071
EP-A  EP FOR SPRINGS 1 & 2RAD - URANIUM  Quarterly04/01/201009/30/20101
EP-A  EP FOR SPRINGS 1 & 2SOC  3 Years01/01/200512/31/20161
EP-B  EP FOR SPRING #3ARSENIC  3 Years01/01/201412/31/20221
EP-B  EP FOR SPRING #3IOC  3 Years01/01/201412/31/20221
EP-B  EP FOR SPRING #3NITRITE  3 Years01/01/201412/31/20221
EP-B  EP FOR SPRING #3RAD - GROSS ALPHA  3 Years01/01/201412/31/20191
EP-B  EP FOR SPRING #3RAD - RADIUM 226/228  3 Years01/01/201412/31/20191
EP-B  EP FOR SPRING #3RAD - URANIUM  3 Years01/01/201412/31/20191
EP-B  EP FOR SPRING #3SOC  3 Years01/01/201412/31/20161
EP-C  EP FOR SPRINGS 4 & 5ARSENIC  3 Years01/01/201412/31/20221
EP-C  EP FOR SPRINGS 4 & 5IOC  3 Years01/01/201412/31/20221
EP-C  EP FOR SPRINGS 4 & 5NITRITE  3 Years01/01/201412/31/20221
EP-C  EP FOR SPRINGS 4 & 5RAD - GROSS ALPHA  3 Years01/01/201412/31/20191
EP-C  EP FOR SPRINGS 4 & 5RAD - RADIUM 226/228  3 Years01/01/201412/31/20191
EP-C  EP FOR SPRINGS 4 & 5RAD - URANIUM  3 Years01/01/201412/31/20191
EP-C  EP FOR SPRINGS 4 & 5SOC  3 Years01/01/201412/31/20161

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