CA Drinking Water Watch

Links

PS Code Transition

Water System Details

Water System Facilities  

Monitoring Schedules

Monitoring Results

Monitoring Results By Analyte

Lead And Copper Sampling

Violations/Enforcement Actions

Site Visits

Consumer Confidence Reports

  • Templates
  • 2024
  • 2023
  • 2022
  • 2021
  • 2020
  • 2019

Lead Service Line Documents

Return Links

Water System Search

County Map

Glossary

Contact Info

 

 

All Copper Sampling Results Tips on using table


Water System No. : CA0707625 Federal Type : NP
Water System Name : MARATHON MARTINEZ WATER SYSTEM State Type : NTNC
Principal County Served : CONTRA COSTA Primary Source :
Status : I Activity Date : 04-28-2025
Distribution System Classification : Max Treatment Plant Classification : There are no treatment plants

Click to hide / show columns: Sample No. | Site | Date | Result | Units | Analyte | Location | Laboratory|

Sample No. Site Date Result Units Analyte Location Laboratory
Sample No. Site Date Result Units Analyte Location Laboratory
1908E39-001A LCR 08-27-2019 0.4 MG/L COPPER, FREE LCR MCCAMPBELL ANALYTICAL, INC.
1908E39-002A LCR 08-27-2019 0.24 MG/L COPPER, FREE LCR MCCAMPBELL ANALYTICAL, INC.
1908E39-003A LCR 08-27-2019 0 COPPER, FREE LCR MCCAMPBELL ANALYTICAL, INC.
1908E39-004A LCR 08-27-2019 0 COPPER, FREE LCR MCCAMPBELL ANALYTICAL, INC.
1908E39-005A LCR 08-27-2019 0.08 MG/L COPPER, FREE LCR MCCAMPBELL ANALYTICAL, INC.
1908E39-006A LCR 08-27-2019 0 COPPER, FREE LCR MCCAMPBELL ANALYTICAL, INC.
2412482-001A LCR 12-09-2024 0 COPPER, FREE LCR MCCAMPBELL ANALYTICAL, INC.
2412482-002A LCR 12-09-2024 0 COPPER, FREE LCR MCCAMPBELL ANALYTICAL, INC.
2412482-003A LCR 12-09-2024 340 UG/L COPPER, FREE LCR MCCAMPBELL ANALYTICAL, INC.
2412482-004A LCR 12-09-2024 0 COPPER, FREE LCR MCCAMPBELL ANALYTICAL, INC.
2411F44-001A LCR 11-25-2024 140 UG/L COPPER, FREE LCR MCCAMPBELL ANALYTICAL, INC.
2411F44-002A LCR 11-25-2024 250 UG/L COPPER, FREE LCR MCCAMPBELL ANALYTICAL, INC.
2411F44-003A LCR 11-25-2024 76 UG/L COPPER, FREE LCR MCCAMPBELL ANALYTICAL, INC.
2411F44-004A LCR 11-25-2024 160 UG/L COPPER, FREE LCR MCCAMPBELL ANALYTICAL, INC.
2411F44-005A LCR 11-25-2024 140 UG/L COPPER, FREE LCR MCCAMPBELL ANALYTICAL, INC.
2411F44-006A LCR 11-25-2024 210 UG/L COPPER, FREE LCR MCCAMPBELL ANALYTICAL, INC.
2204802-003A LCR 04-14-2022 120 UG/L COPPER, FREE LCR MCCAMPBELL ANALYTICAL, INC.
2204802-004A LCR 04-14-2022 1200 UG/L COPPER, FREE LCR MCCAMPBELL ANALYTICAL, INC.
2204802-005A LCR 04-14-2022 200 UG/L COPPER, FREE LCR MCCAMPBELL ANALYTICAL, INC.
2204802-006A LCR 04-14-2022 320 UG/L COPPER, FREE LCR MCCAMPBELL ANALYTICAL, INC.
2204802-007A LCR 04-14-2022 460 UG/L COPPER, FREE LCR MCCAMPBELL ANALYTICAL, INC.
2204802-008A LCR 04-14-2022 260 UG/L COPPER, FREE LCR MCCAMPBELL ANALYTICAL, INC.
2204802-001A LCR 04-14-2022 21 UG/L COPPER, FREE LCR MCCAMPBELL ANALYTICAL, INC.
2204802-002A LCR 04-14-2022 720 UG/L COPPER, FREE LCR MCCAMPBELL ANALYTICAL, INC.
1908E39-007A LCR 08-27-2019 0.94 MG/L COPPER, FREE LCR MCCAMPBELL ANALYTICAL, INC.
1908E39-008A LCR 08-27-2019 0.059 MG/L COPPER, FREE LCR MCCAMPBELL ANALYTICAL, INC.
1908E39-009A LCR 08-27-2019 0 COPPER, FREE LCR MCCAMPBELL ANALYTICAL, INC.
1908E39-010A LCR 08-27-2019 0 COPPER, FREE LCR MCCAMPBELL ANALYTICAL, INC.