No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting October 2018.
Serves about 2,490 people (991 connections) with groundwater bought from Excelsior Springs PWS.
From EPA's record for MO1024510. PurityMap is independent of Ray County PWSD 1.
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1 health-based violation in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Oct–Dec 2018 | Total trihalomethanes (TTHM) | 81 µg/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 →Ray County PWSD 1's phone number on EPA record is 816-580-7716. Its mailing address is 406 PENNSYLVANIA ST, PO BOX 292, LAWSON, MO 64062-0000.
According to EPA's record, Ray County PWSD 1 uses groundwater bought from Excelsior Springs PWS.
EPA's record shows 1 health-based violation for Ray County PWSD 1 in the 10 years to July 9, 2026. No open health-based violations on EPA record in the last 10 years. The latest legal-limit breach on record was in the period starting October 2018. EPA also lists 1 missed or late test or report in 10 years. The record comes from EPA's SDWIS compliance database.
Lead was not detected at the 90th percentile of tap samples in Ray County PWSD 1'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 Ray County PWSD 1. Its phone number on EPA record is 816-580-7716. Its mailing address on EPA record is 406 PENNSYLVANIA ST, PO BOX 292, LAWSON, MO 64062-0000. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.