OHA Drinking Water Services
OR41
PWS ID: 00057 ---- OLNEY-WALLUSKI WATER ASSN
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) Yearly1/1/2026 - 12/31/2026 281 1 0 06/01 thru 09/30
DIST-A Distribution System 2950 TTHM Yearly1/1/2026 - 12/31/2026 281 1 0 06/01 thru 09/30