No health-based violations on EPA record since 2016.
Serves about 1 people (1 connection) with surface water bought from Contra Costa Water District.
From EPA's record for CA0710010. PurityMap is independent of Randall-Bold Water Treatment Plant.
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No health-based violations in the last 10 years, from EPA's SDWIS compliance database.
No lab results for other contaminants (like PFAS) are on file for this system. EPA required that testing from systems serving more than 3,300 people, plus a sample of smaller ones.
Screening tells you if something is worth a closer look; a lab result is the number you can act on.
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Screening: quick check, not lab-grade
Safe Home (EnviroTestKits)
Lead, read as one of three ranges: 0–4, 5–15 or 15+ ppb
Turnaround: 5 minutes
What it can't tell you: It shows a lead range, not an exact level, and tests nothing else unless you pay extra for the optional lab test.
Lab-certified results
ETR Laboratories
50+ substances, including lead, copper, arsenic, nitrate, hardness and coliform bacteria
Environmental Testing and Research Laboratories (ETR Labs), Leominster, MA · ISO/IEC 17025:2017, ANAB certificate AT-2638 · 2–4 business days after the lab receives it
What it can't tell you: It does not test PFAS, and not every result on the panel falls under the lab's accredited scope.
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Follow this water →Randall-Bold Water Treatment Plant's phone number on EPA record is 925-688-8192. Its mailing address is 1131 CONCORD AVE, CONCORD, CA 94520-4907.
According to EPA's record, Randall-Bold Water Treatment Plant uses surface water bought from Contra Costa Water District.
No health-based violations on EPA record since 2016. The record comes from EPA's SDWIS compliance database.
PurityMap has no verified website for Randall-Bold Water Treatment Plant. Its phone number on EPA record is 925-688-8192. Its mailing address on EPA record is 1131 CONCORD AVE, CONCORD, CA 94520-4907. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.