No open health-based violations on EPA record in the last 10 years.
Serves about 415 people (166 connections) with groundwater bought from North Mohave Valley.
From EPA's record for AZ0408174. PurityMap is independent of Katherine Heights.
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2 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 | – | – | Resolved |
| From October 2022 | E. coli | – | – | 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 →Katherine Heights's phone number on EPA record is 435-627-1785. Its mailing address is 1209 E OAK GROVE DR, WASHINGTON, AZ 84780.
According to EPA's record, Katherine Heights uses groundwater bought from North Mohave Valley.
EPA's record shows 2 health-based violations for Katherine Heights in the 10 years to July 9, 2026. No open health-based violations on EPA record in the last 10 years. EPA also lists 56 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
Lead was not detected at the 90th percentile of tap samples in Katherine Heights's latest lead and copper round, which ended in December 2025. The federal action level is 15 µg/L.
PurityMap has no verified website for Katherine Heights. Its phone number on EPA record is 435-627-1785. Its mailing address on EPA record is 1209 E OAK GROVE DR, WASHINGTON, AZ 84780. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.