OHA Drinking Water Services
OR41
PWS ID: 01513 ---- HILLSBORO, CITY OF

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   30 06/05/2024
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesQuarterly 01/01/2026 - 03/31/2026 82 8 incomplete10/01/2025

5  secs
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Expired Schedules
Facility
ID
Analyte or Group    Sampling
Interval
Start End Samples
Required
   Notes
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Quarterly01/01/200203/31/20124Reflects 4 RT Samples Per QT Per WTP
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  3 Years01/01/200212/31/200730Sample Between June 1st and Sept 30th
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Quarterly01/01/201403/31/20158Sample in Jan, April, July & Oct
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Quarterly01/01/201803/31/20218Sample April, July, Oct and Jan
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Quarterly04/01/201203/31/20138Sample in Jan, April, July & Oct
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Quarterly04/01/201312/31/20134Sample in Jan, April, July & Oct
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Quarterly04/01/201512/31/20174Sample in April, July, October and January

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More information for this water system: SDWIS ID 5024

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