OHA Drinking Water Services
OR41
PWS ID: 00152 ---- BROWNSVILLE, CITY OF

See also: Coliform Schedules  ::  LT2 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
CH-A  COMMON HEADER FOR WTP-ATOTAL ORGANIC CARBON Quarterly04/01/2026 - 06/30/2026 54 1 incomplete 07/01/2025
DIST-A  DISTRIBUTION SYSTEM ASBESTOS, DIST notes9 Years 01/01/2020 - 12/31/2028 969 1 incomplete11/05/2019
DIST-A  DISTRIBUTION SYSTEM LEAD & COPPER notes3 Years01/01/2027 - 12/31/2027   10 09/24/2024
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesYearly 01/01/2026 - 12/31/2026 238 1 incomplete09/16/2025
  Seasonal sampling period:   08/01   thru   08/31
EP-A  EP FOR SSF/WTP ARSENIC notes9 Years 01/01/2020 - 12/31/2028 969 1 incomplete11/05/2019
EP-A  EP FOR SSF/WTP IOC notes9 Years 01/01/2020 - 12/31/2028 969 1 incomplete11/05/2019
EP-A  EP FOR SSF/WTP NITRATE  Yearly 01/01/2026 - 12/31/2026 238 1 incomplete03/11/2025
EP-A  EP FOR SSF/WTP NITRITE notes9 Years 01/01/2020 - 12/31/2028 969 1 incomplete11/05/2019
EP-A  EP FOR SSF/WTP PFAS notesQuarterly 04/01/2026 - 06/30/2026 54 1 incomplete12/18/2025
  Initial monitoring - 4 quarters only
EP-A  EP FOR SSF/WTP RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,160 1 incomplete10/25/2016
EP-A  EP FOR SSF/WTP RAD - RADIUM 226/228 9 Years 01/01/2026 - 12/31/2034 3,160 1 incomplete10/25/2016
EP-A  EP FOR SSF/WTP RAD - URANIUM  9 Years 01/01/2026 - 12/31/2034 3,160 1 incomplete10/25/2016
EP-A  EP FOR SSF/WTP SOC  3 Years 01/01/2026 - 12/31/2028 969 1 incomplete04/04/2023
EP-A  EP FOR SSF/WTP VOLATILE ORGANICS  Yearly 01/01/2026 - 12/31/2026 238 1 incomplete03/11/2025

7  secs
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Expired Schedules
Facility
ID
Analyte or Group    Sampling
Interval
Start End Samples
Required
   Notes
CH-A  COMMON HEADER FOR WTP-ATOTAL ORGANIC CARBON  Monthly01/01/200412/31/20081Raw Water TOC Only Required for Reduction in DBP Monitoring
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Quarterly01/01/200412/31/20071Schedule Reflects 1 RT Sample Per QT Per WTP
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Yearly01/01/200809/30/20131Sample between June 1 and Sept. 30. Monioring reduction granted.
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Quarterly10/01/201309/30/20141Sample During Peak Historical Month and Every 90 days Before/After
EP-A  EP FOR SSF/WTPARSENIC  Yearly01/01/200212/31/20081

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