OHA Drinking Water Services
OR41
PWS ID: 91707 ---- PLEASANT VALLEY ELEM SD #55

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 Years01/01/2028 - 12/31/2028   5 06/17/2025
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP  Quarterly 04/01/2026 - 06/30/2026 67 1 incomplete01/12/2026
EP-A  EP for WELL ARSENIC  3 Years 01/01/2026 - 12/31/2028 982 1 incomplete06/24/2025
EP-A  EP for WELL IOC  3 Years 01/01/2026 - 12/31/2028 982 1 incomplete06/24/2025
EP-A  EP for WELL NITRATE  Yearly 01/01/2026 - 12/31/2026 251 1 incomplete06/24/2025
EP-A  EP for WELL NITRITE  3 Years 01/01/2026 - 12/31/2028 982 1 incomplete06/24/2025
EP-A  EP for WELL PFAS notes6 Months 01/01/2026 - 06/30/2026 67 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP for WELL SOC  Yearly 01/01/2026 - 12/31/2026 251 1 incomplete06/24/2025
EP-A  EP for WELL VOLATILE ORGANICS  Yearly 01/01/2026 - 12/31/2026 251 1 incomplete06/24/2025

5  secs
Show Only Active

Expired Schedules
Facility
ID
Analyte or Group    Sampling
Interval
Start End Samples
Required
   Notes
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  3 Years01/01/200512/31/20131Sample between June 1 and Sept. 30.
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Yearly01/01/200412/31/20041Sample Between June 1st and Sept 30th Each Year
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  3 Years01/01/200212/31/20145
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  3 Years01/01/201609/30/20185Sample between June 1st and September 30th
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  6 Months01/01/201512/31/20155
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  6 Months01/01/201912/31/20195
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  6 Months01/01/202012/31/20215
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  3 Years01/01/201412/31/20191Sample in September. First Sample Due in 2014.
EP-A  EP for WELLARSENIC  3 Years01/01/200212/31/20131
EP-A  EP for WELLARSENIC  9 Years01/01/201412/31/20191Schedule Reflects Monitoring Reduction Granted
EP-A  EP for WELLIOC  9 Years01/01/200212/31/20191Schedule Reflects Monitoring Reduction Granted
EP-A  EP for WELLNITRITE  9 Years01/01/200212/31/20191Schedule Reflects Monitoring Reduction Granted
EP-A  EP for WELLSOC  3 Years01/01/200212/31/20191
EP-A  EP for WELLVOLATILE ORGANICS  3 Years01/01/200212/31/20191

Show Only Active