OHA Drinking Water Services
OR41
PWS ID: 00024 ---- GRAND PRAIRIE WATER SUPPLY CO
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) notes 3 Years1/1/2026 - 12/31/2028 970 1 0 7/10/2025 07/01 thru 07/31
2DBP-01 :
4241 39TH AVE
DIST-A Distribution System 2950 TTHM notes 3 Years1/1/2026 - 12/31/2028 970 1 0 7/10/2025 07/01 thru 07/31
2DBP-01 :
4241 39TH AVE