1 open health-based violation on EPA record.
Serves about 29,854 people (148 connections) with surface water from its own intake, and buys water from Metropolitan Water Dist. of So. Cal..
From EPA's record for CA1910022. PurityMap is independent of Calif State Polytechnical Univ.
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3 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| From October 2024 | Lead and copper rule revisions | – | – | Unaddressed |
| Jul–Sep 2024 | Total trihalomethanes (TTHM) | 0.081 mg/L | 0.080 mg/L | Resolved |
| Jan–Mar 2017 | Total trihalomethanes (TTHM) | 0.082 mg/L | 0.080 mg/L | Resolved |
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 →Calif State Polytechnical Univ's phone number on EPA record is 909-869-3046. Its mailing address is 3801 WEST TEMPLE AVENUE, POMONA, CA 91768.
According to EPA's record, Calif State Polytechnical Univ uses surface water from its own intake, and buys water from Metropolitan Water Dist. of So. Cal..
EPA's record shows 3 health-based violations for Calif State Polytechnical Univ in the 10 years to July 9, 2026. EPA's record lists 1 open health-based violation. EPA also lists 22 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in Calif State Polytechnical Univ's latest lead and copper round, which ended in December 2025, was 0.79 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for Calif State Polytechnical Univ. Its phone number on EPA record is 909-869-3046. Its mailing address on EPA record is 3801 WEST TEMPLE AVENUE, POMONA, CA 91768. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.