CA Drinking Water Watch

GOLDEN STATE WATER CO. - CORDOVA (3410015)

All Sampling Results From To

WELL 25 - CHURCH WELL LEAD ION EXCHANGE (CA3410015_055_055)

Click to hide / show columns: Analyte Number | Analyte Name | Sampling Date | Detected Level | Less Than | RL | Counting Error (+/-) | MCL | DLR | Unit | Lab Sample ID | Lab | ELAP | Method |

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Analyte Number Analyte Name Sampling Date Results Counting Error (+/-) MCL DLR Unit Lab Sample ID Lab ELAP Method
Detected Level Less Than RL
Analyte Number Analyte Name Sampling Date Detected Level Less Than RL Counting Error (+/-) MCL DLR Unit Lab Sample ID Lab ELAP Method
1039 PERCHLORATE 07-28-2026 3.5 0.5 6 1 UG/L 380-227742-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 07-21-2026 3.6 0.5 6 1 UG/L 380-226767-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 07-14-2026 3.6 0.5 6 1 UG/L 380-225265-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 07-07-2026 3.5 0.5 6 1 UG/L 380-223984-5 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 06-29-2026 3.5 0.5 6 1 UG/L 380-222194-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 06-23-2026 3.3 0.5 6 1 UG/L 380-221502-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 06-18-2026 3.4 0.5 6 1 UG/L 380-220769-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 06-09-2026 3.4 0.5 6 1 UG/L 380-219078-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 06-02-2026 3.4 0.5 6 1 UG/L 380-217765-5 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 05-26-2026 3.1 0.5 6 1 UG/L 380-216265-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 05-19-2026 3.1 0.5 6 1 UG/L 380-215078-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 05-12-2026 2.9 0.5 6 1 UG/L 380-213653-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 05-05-2026 2.8 0.5 6 1 UG/L 380-212232-5 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 04-28-2026 2.7 0.5 6 1 UG/L 380-211087-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 04-23-2026 2.5 0.5 6 1 UG/L 380-210367-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 04-14-2026 2.4 0.5 6 1 UG/L 380-208621-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 04-07-2026 2.2 0.5 6 1 UG/L 380-206919-5 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 03-31-2026 2.1 0.5 6 1 UG/L 380-205722-1 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 03-24-2026 2.0 0.5 6 1 UG/L 380-204669-1 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 03-17-2026 1.9 0.5 6 1 UG/L 380-203821-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 03-10-2026 1.7 0.5 6 1 UG/L 380-202584-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 03-03-2026 1.8 0.5 6 1 UG/L 380-201237-5 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 02-24-2026 1.6 0.5 6 1 UG/L 380-199920-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 02-17-2026 1.5 0.5 6 1 UG/L 380-198652-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 02-10-2026 1.3 0.5 6 1 UG/L 380-197689-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 01-28-2026 1.2 0.5 6 1 UG/L 380-194976-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 01-20-2026 1.1 0.5 6 1 UG/L 380-193536-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 01-13-2026 1.1 0.5 6 1 UG/L 380-192417-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 01-06-2026 0.93 0.5 6 1 UG/L 380-190872-5 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 12-29-2025 0.79 0.5 6 1 UG/L 380-189876-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 12-22-2025 0.69 0.5 6 1 UG/L 380-189210-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 12-16-2025 0.61 0.5 6 1 UG/L 380-188497-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 12-09-2025 0.56 0.5 6 1 UG/L 380-187207-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 12-02-2025 < 0.5 6 1 UG/L 380-185627-5 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 11-24-2025 < 0.5 6 1 UG/L 380-184523-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 11-18-2025 < 0.5 6 1 UG/L 380-183528-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 11-12-2025 < 0.5 6 1 UG/L 380-182492-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 11-04-2025 < 0.5 6 1 UG/L 380-181038-5 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 10-28-2025 < 0.5 6 1 UG/L 380-179926-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 10-21-2025 < 0.5 6 1 UG/L 380-178704-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 10-14-2025 < 0.5 6 1 UG/L 380-177389-5 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 10-07-2025 < 0.5 6 1 UG/L 380-176215-2 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 09-30-2025 < 0.5 6 1 UG/L 380-174411-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 09-23-2025 < 0.5 6 1 UG/L 380-173332-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 09-16-2025 < 0.5 6 1 UG/L 380-172156-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 09-09-2025 < 0.5 6 1 UG/L 380-170700-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 09-02-2025 < 0.5 6 1 UG/L 380-169420-5 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 08-26-2025 < 0.5 6 1 UG/L 380-168342-1 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 08-19-2025 < 0.5 6 1 UG/L 380-167028-1 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 08-12-2025 < 0.5 6 1 UG/L 380-165975-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 08-05-2025 < 0.5 6 1 UG/L 380-164446-5 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 07-29-2025 < 0.5 6 1 UG/L 380-163336-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 07-22-2025 < 0.5 6 1 UG/L 380-162173-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 07-15-2025 < 0.5 6 1 UG/L 380-160858-1 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 07-08-2025 < 0.5 6 1 UG/L 380-159740-1 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 07-01-2025 < 0.5 6 1 UG/L 380-158306-2 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 06-24-2025 < 0.5 6 1 UG/L 380-157104-1 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 06-17-2025 < 0.5 6 1 UG/L 380-156009-1 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 06-10-2025 < 0.5 6 1 UG/L 380-154889-1 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 06-03-2025 < 0.5 6 1 UG/L 380-153723-5 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 05-27-2025 < 0.5 6 1 UG/L 380-152501-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 05-20-2025 < 0.5 6 1 UG/L 380-151597-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 05-13-2025 < 0.5 6 1 UG/L 380-150452-1 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 05-06-2025 < 0.5 6 1 UG/L 380-149357-2 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 04-29-2025 < 0.5 6 1 UG/L 380-148122-1 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 04-22-2025 < 0.5 6 1 UG/L 380-147254-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 04-15-2025 < 0.5 6 1 UG/L 380-146006-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 04-08-2025 < 0.5 6 1 UG/L 380-144590-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 04-01-2025 < 0.5 6 1 UG/L 380-143280-5 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 03-25-2025 < 0.5 6 1 UG/L 380-142279-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 03-18-2025 < 0.5 6 1 UG/L 380-141280-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 03-11-2025 < 0.5 6 1 UG/L 380-140322-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 03-04-2025 < 0.5 6 1 UG/L 380-138848-5 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 02-25-2025 < 0.5 6 1 UG/L 380-137859-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 02-18-2025 < 0.5 6 1 UG/L 380-136336-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 02-11-2025 < 0.5 6 1 UG/L 380-135251-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 02-04-2025 < 0.5 6 1 UG/L 380-133858-5 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 01-28-2025 < 0.5 6 1 UG/L 380-132682-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 01-21-2025 < 0.5 6 1 UG/L 380-131414-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 01-14-2025 < 0.5 6 1 UG/L 380-130424-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 01-09-2025 < 0.5 6 1 UG/L 380-129675-1 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 12-18-2024 < 0.5 6 1 UG/L 380-127136-1 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 12-10-2024 < 1 6 1 UG/L 380-125817-4 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0
1039 PERCHLORATE 11-18-2024 < 1 6 1 UG/L 380-122738-2 EUROFINS EATON ANALYTICAL POMONA 2813 EPA 331.0

RL – Reporting Level means the level to which the laboratory reported the presence of an analyte. For radionuclides, Reporting Level is the MDA95.

DLR – Detection Limit for purposes of Reporting (DLR) means the designated minimum level at or above which any analytical finding of a contaminant in drinking water resulting from monitoring required under Chapter 15 of Title 22 shall be reported to the State Board (California Code of Regulations Section § 64400.34)

For addtional definitions, please refer to our data dictionary.