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 3,166 1 incomplete08/19/2025
EP-A  EP FOR SPRINGS 1 & 2 IOC notes9 Years 01/01/2026 - 12/31/2034 3,166 1 incomplete08/19/2025
EP-A  EP FOR SPRINGS 1 & 2 NITRATE  Yearly01/01/2026 - 12/31/2026 244 1 done 02/19/2026
EP-A  EP FOR SPRINGS 1 & 2 NITRITE notes9 Years 01/01/2026 - 12/31/2034 3,166 1 incomplete08/19/2025
EP-A  EP FOR SPRINGS 1 & 2 PFAS notes6 Months 01/01/2026 - 06/30/2026 60 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 975 1 incomplete07/22/2019
EP-A  EP FOR SPRINGS 1 & 2 RAD - RADIUM 226/228 9 Years 01/01/2020 - 12/31/2028 975 1 incomplete07/22/2019
EP-A  EP FOR SPRINGS 1 & 2 RAD - URANIUM  9 Years 01/01/2020 - 12/31/2028 975 1 incomplete07/22/2019
EP-A  EP FOR SPRINGS 1 & 2 SOC MINUS SOCR CHEMSnotes9 Years 01/01/2026 - 12/31/2034 3,166 1 incomplete08/19/2025
EP-A  EP FOR SPRINGS 1 & 2 SOCR  3 Years 01/01/2026 - 12/31/2028 975 1 incomplete08/19/2025
EP-A  EP FOR SPRINGS 1 & 2 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 975 1 incomplete08/19/2025
EP-B  EP FOR SPRING #3 ARSENIC  9 Years01/01/2023 - 12/31/2031 2,070 1 done 09/22/2025
EP-B  EP FOR SPRING #3 IOC  9 Years01/01/2023 - 12/31/2031 2,070 1 done 09/22/2025
EP-B  EP FOR SPRING #3 NITRATE  Yearly 01/01/2026 - 12/31/2026 244 1 incomplete09/22/2025
EP-B  EP FOR SPRING #3 NITRITE  9 Years01/01/2023 - 12/31/2031 2,070 1 done 09/22/2025
EP-B  EP FOR SPRING #3 PFAS notes6 Months 01/01/2026 - 06/30/2026 60 1 incomplete
  Initial monitoring - 2 samples only
EP-B  EP FOR SPRING #3 RAD - GROSS ALPHA  9 Years 01/01/2020 - 12/31/2028 975 1 incomplete08/19/2019
EP-B  EP FOR SPRING #3 RAD - RADIUM 226/228 9 Years 01/01/2020 - 12/31/2028 975 1 incomplete08/19/2019
EP-B  EP FOR SPRING #3 RAD - URANIUM  9 Years 01/01/2020 - 12/31/2028 975 1 incomplete08/19/2019
EP-B  EP FOR SPRING #3 SOC MINUS SOCR CHEMSnotes9 Years 01/01/2026 - 12/31/2034 3,166 1 incomplete09/22/2025
EP-B  EP FOR SPRING #3 SOCR  3 Years 01/01/2026 - 12/31/2028 975 1 incomplete09/22/2025
EP-B  EP FOR SPRING #3 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 975 1 incomplete09/22/2025
EP-C  EP FOR SPRINGS 4 & 5 ARSENIC  9 Years 01/01/2023 - 12/31/2031 2,070 1 incomplete07/17/2022
EP-C  EP FOR SPRINGS 4 & 5 IOC  9 Years 01/01/2023 - 12/31/2031 2,070 1 incomplete07/17/2022
EP-C  EP FOR SPRINGS 4 & 5 NITRATE  Yearly 01/01/2026 - 12/31/2026 244 1 incomplete07/21/2025
EP-C  EP FOR SPRINGS 4 & 5 NITRITE  9 Years 01/01/2023 - 12/31/2031 2,070 1 incomplete09/28/2022
EP-C  EP FOR SPRINGS 4 & 5 PFAS notes6 Months 01/01/2026 - 06/30/2026 60 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 975 1 incomplete09/16/2019
EP-C  EP FOR SPRINGS 4 & 5 RAD - RADIUM 226/228 9 Years 01/01/2020 - 12/31/2028 975 1 incomplete09/16/2019
EP-C  EP FOR SPRINGS 4 & 5 RAD - URANIUM  9 Years 01/01/2020 - 12/31/2028 975 1 incomplete09/16/2019
EP-C  EP FOR SPRINGS 4 & 5 SOC MINUS SOCR CHEMSnotes9 Years 01/01/2026 - 12/31/2034 3,166 1 incomplete07/21/2025
EP-C  EP FOR SPRINGS 4 & 5 SOCR  3 Years 01/01/2026 - 12/31/2028 975 1 incomplete07/21/2025
EP-C  EP FOR SPRINGS 4 & 5 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 975 1 incomplete07/21/2025

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