Tap Water Quality Report for Delaware, Oklahoma

Last Provided Update:N/A
Next Expected Update:April 19, 2025

Track your tap water quality with EPA-verified data on contaminants, violations, and health guidelines, updated quarterly from official water system monitoring results.

Delaware, Oklahoma tap water has 229 total contaminants, with 9 being above EPA standards and 189 being above InTheTap suggested standards. There are 0 active violations. The primary water source is not specified, serving 0 residents.

Water Systems (26)

26 water systems serve Delaware, Oklahoma. Select one or more to filter the data below.

GROVE MUNICIPAL SERVICES AUTH.
Public Water System ID:OK1021614
Population Served:7,311
Primary Source:Surface water
Last Updated:Dec 30, 2024
Contact:
GRAND LAKE PWA
Public Water System ID:OK1021691
Population Served:2,800
Primary Source:Ground water
Last Updated:Dec 30, 2024
Contact:
JAY
Public Water System ID:OK1021674
Population Served:2,482
Primary Source:Surface water
Last Updated:Dec 30, 2024
Contact:
KETCHUM PWA DELAWARE CO SYSTEM
Public Water System ID:OK1221638
Population Served:1,805
Primary Source:Surface water
Last Updated:Dec 30, 2024
Contact:
SOUTH DELAWARE CO REGIONAL WATER AUTH.
Public Water System ID:OK1221645
Population Served:1,500
Primary Source:Surface water
Last Updated:Dec 30, 2024
Contact:
DELAWARE CO RWD #10
Public Water System ID:OK6002158
Population Served:1,295
Primary Source:Ground water
Last Updated:Dec 30, 2024
Contact:

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Water Quality Analysis

Comprehensive analysis of your water quality, showing both detected contaminants and violations history. Note that exceeding EPA contaminant levels in a single test doesn't always constitute a violation, as violations typically require sustained exceedances or failure to follow required treatment protocols.

Water Analysis

View detected contaminants and concentration levels for your water system(s).