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Lead and Copper Next Sampling Due Dates


Water System No. : CA1910234 Federal Type : C
Water System Name : WALNUT VALLEY WATER DISTRICT State Type : C
Principal County Served : LOS ANGELES Primary Source : SWP
Status : A Activity Date : 01-01-1976
Distribution System Classification : D5 Max Treatment Plant Classification : There are no treatment plants

Analyte
Name
Required # Samples Frequencies Last MP Begin Last MP End Last Collection Begin Last Collection End # Samples Collected Last 90th
Percentile (mg/L)
Next MP Begin Next MP End Next Sampling
Due By
COPPER 30 3Y 01-01-2019 12-31-2021 06-09-2021 06-18-2021 30 0.102 01-01-2022 12-31-2024 09-30-2024
LEAD 30 3Y 01-01-2019 12-31-2021 06-09-2021 06-18-2021 30 0.00271 01-01-2022 12-31-2024 09-30-2024