No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting April 2025.
Serves about 277 people (172 connections) with surface water bought from Chautauqua Co RWD 4.
From EPA's record for KS2004903. PurityMap is independent of City of Longton.
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17 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Apr–Jun 2025 | Haloacetic acids (HAA5) | 0.064 mg/L | 0.060 mg/L | Resolved |
| Jan–Mar 2025 | Total trihalomethanes (TTHM) | 104 µg/L | 0.080 mg/L | Resolved |
| Jan–Mar 2025 | Haloacetic acids (HAA5) | 0.077 mg/L | 0.060 mg/L | Resolved |
| Oct–Dec 2024 | Total trihalomethanes (TTHM) | 101 µg/L | 0.080 mg/L | Resolved |
| Oct–Dec 2024 | Haloacetic acids (HAA5) | 0.064 mg/L | 0.060 mg/L | Resolved |
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Jul–Sep 2024 | Total trihalomethanes (TTHM) | 119 µg/L | 0.080 mg/L | Resolved |
| Jul–Sep 2024 | Haloacetic acids (HAA5) | 0.065 mg/L | 0.060 mg/L | Resolved |
| Apr–Jun 2024 | Total trihalomethanes (TTHM) | 0.117 mg/L | 0.080 mg/L | Resolved |
| Oct–Dec 2020 | Chloramine | – | 4.0 mg/L | Resolved |
| Jul–Sep 2020 | Chloramine | – | 4.0 mg/L | Resolved |
| Apr–Jun 2020 | Chloramine | – | 4.0 mg/L | Resolved |
| Jan–Mar 2020 | Chloramine | – | 4.0 mg/L | Resolved |
| Oct–Dec 2019 | Chloramine | – | 4.0 mg/L | Resolved |
| Jul–Sep 2019 | Chloramine | – | 4.0 mg/L | Resolved |
| Apr–Jun 2019 | Chloramine | – | 4.0 mg/L | Resolved |
| Jul–Sep 2018 | Chloramine | – | 4.0 mg/L | Resolved |
| Apr–Jun 2017 | Total trihalomethanes (TTHM) | 0.081 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 →City of Longton's phone number on EPA record is 620-642-2225. Its mailing address is 404 KANSAS, PO BOX 18, LONGTON, KS 67352-0018.
According to EPA's record, City of Longton uses surface water bought from Chautauqua Co RWD 4.
EPA's record shows 17 health-based violations for City of Longton 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 April 2025. EPA also lists 2 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in City of Longton's latest lead and copper round, which ended in December 2025, was 0.6 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for City of Longton. Its phone number on EPA record is 620-642-2225. Its mailing address on EPA record is 404 KANSAS, PO BOX 18, LONGTON, KS 67352-0018. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.