ATTACHMENT D _ CASTLE POINT CAMPUS WATER MONITORING REQUIREMENTS.pdf
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Attachment D is a comprehensive water monitoring requirements document for the Castle Point Campus, detailing specific testing frequencies and due dates for various water quality parameters. The monitoring schedule includes quarterly and annual tests for parameters such as Lead & Copper, Asbestos, Nitrate, TTHM & HAA5, Disinfection Byproducts, Total Coliform Bacteria, Radiological testing, and emerging contaminants like PFOS, PFOAS, and Dioxane. Key due dates include 12/31/2025 for IOCG1 and Combined SOCs testing, 3/5/2026 for Nitrate testing, and 9/30/2025 for Disinfection Byproducts sampling, with most tests requiring monitoring at entry points or distribution sites and frequencies ranging from every 4 hours to every 9 years depending on the specific parameter.
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ATTACHMENT D – CASTLE POINT CAMPUS WATER MONITORING REQUIREMENTS
GROUP FREQUENCY DUE DATE
Lead & Copper 10/ every 6 months
(Distribution), (unless directed otherwise by DCDOH)
Asbestos 9 Years (per entry source) * 1/31/2026
IOCG1 Prim. & Sec. Table 8B Yearly per entry point By 12/31/2025
Nitrate Yearly ( if ,5mg/l) * 3/5/2026
TTHM & HAA5 1/plant/quarter (distribution)
DBP Precursors Monthly
POCs (Table 9D) + MTBE Yearly per source *
SOCs (Table 9C) Combined 18 Months per entry source* 12/31/2025
Filter Effluent Turbidity Every 4 hours or continuously
Distribution Turbidity 5 sites per week
Distribution Total Coliform Bacteria
2 per month (Distribution)
Radiological 9 years per entry point *
DBPMax Disinfection Byproducts 1 Sample Yearly 9/30/25
PFOS, PFOAS, DIOXANE
Quarterly (unless directed otherwise by DCDOH)
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