OHA Drinking Water Services
OR41
PWS ID: 01511 ---- OREGON CITY
Single Chemical Schedule

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Facility
ID
Facility Name Analyte
Code
Analyte Sampling
Interval
Monitoring
Period
Start
Monitoring
Period
Due Date
Days
Until
Due
Samples
Required
Samples
Received
Last
Sample
Date
Seasonal Sampling
Period
DIST-A DISTRIBUTION SYSTEM 2456 TOTAL HALOACETIC ACIDS (HAA5) Quarterly1/1/2026 - 3/31/2026 10 4 0 11/3/2025
2DBP-01 :
2DBP-02 :
2DBP-03 :
2DBP-04 :
SM-5 18161 NEWELL CREST DR
SM-4 HENRICI RESERVOIR
S1-1 20007 BEAVERCREEK RD
BLANCHET DR SS
DIST-A DISTRIBUTION SYSTEM 2950 TTHM Quarterly1/1/2026 - 3/31/2026 10 4 0 11/3/2025
2DBP-01 :
2DBP-02 :
2DBP-03 :
2DBP-04 :
SM-5 18161 NEWELL CREST DR
SM-4 HENRICI RESERVOIR
S1-1 20007 BEAVERCREEK RD
BLANCHET DR SS