No health-based violations on EPA record since 2016.
Serves about 5,355 people (2,423 connections) with groundwater from its own wells.
From EPA's record for AZ0402005. PurityMap is independent of Benson, City of Water System.
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No health-based violations in the last 10 years, from EPA's SDWIS compliance database.
EPA required this system to test for 30 unregulated and emerging contaminants, from January 2024 to August 2024.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Lithium | 24 µg/L | 10 µg/L EPA health reference level (screening, not a legal limit)Screening level, not a legal limit | Above the referenced health-based guidance value | 2024-01-16 to 2024-07-09 | UCMR5 Analytical Results: BENSON, CITY OF WATER SYSTEM (AZ0402005) |
| 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-16 to 2024-08-28 | UCMR5 Analytical Results: BENSON, CITY OF WATER SYSTEM (AZ0402005) |
| 1H, 1H, 2H, 2H-perfluorodecane sulfonic acid (8:2 FTS) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-16 to 2024-08-28 | UCMR5 Analytical Results: BENSON, CITY OF WATER SYSTEM (AZ0402005) |
| 1H, 1H, 2H, 2H-perfluorohexane sulfonic acid (4:2 FTS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-16 to 2024-08-28 | UCMR5 Analytical Results: BENSON, CITY OF WATER SYSTEM (AZ0402005) |
| 1H, 1H, 2H, 2H-perfluorooctane sulfonic acid (6:2 FTS) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-16 to 2024-08-28 | UCMR5 Analytical Results: BENSON, CITY OF WATER SYSTEM (AZ0402005) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-16 to 2024-08-28 | UCMR5 Analytical Results: BENSON, CITY OF WATER SYSTEM (AZ0402005) |
| 9-Chlorohexadecafluoro-3-oxanone-1-sulfonic acid (9Cl-PF3ONS) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-16 to 2024-08-28 | UCMR5 Analytical Results: BENSON, CITY OF WATER SYSTEM (AZ0402005) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-01-16 to 2024-08-28 | UCMR5 Analytical Results: BENSON, CITY OF WATER SYSTEM (AZ0402005) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-16 to 2024-07-09 | UCMR5 Analytical Results: BENSON, CITY OF WATER SYSTEM (AZ0402005) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-16 to 2024-07-09 | UCMR5 Analytical Results: BENSON, CITY OF WATER SYSTEM (AZ0402005) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-16 to 2024-08-28 | UCMR5 Analytical Results: BENSON, CITY OF WATER SYSTEM (AZ0402005) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-16 to 2024-08-28 | UCMR5 Analytical Results: BENSON, CITY OF WATER SYSTEM (AZ0402005) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-16 to 2024-08-28 | UCMR5 Analytical Results: BENSON, CITY OF WATER SYSTEM (AZ0402005) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-16 to 2024-08-28 | UCMR5 Analytical Results: BENSON, CITY OF WATER SYSTEM (AZ0402005) |
| Perfluorobutanesulfonic acid (PFBS) | < 3 ng/L | 2,000 ng/L EPA health advisory (screening, not a legal limit)Screening level, not a legal limit | Not detected above the reporting limit | 2024-01-16 to 2024-08-28 | UCMR5 Analytical Results: BENSON, CITY OF WATER SYSTEM (AZ0402005) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-16 to 2024-08-28 | UCMR5 Analytical Results: BENSON, CITY OF WATER SYSTEM (AZ0402005) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-16 to 2024-08-28 | UCMR5 Analytical Results: BENSON, CITY OF WATER SYSTEM (AZ0402005) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-16 to 2024-08-28 | UCMR5 Analytical Results: BENSON, CITY OF WATER SYSTEM (AZ0402005) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-16 to 2024-08-28 | UCMR5 Analytical Results: BENSON, CITY OF WATER SYSTEM (AZ0402005) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-16 to 2024-08-28 | UCMR5 Analytical Results: BENSON, CITY OF WATER SYSTEM (AZ0402005) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-01-16 to 2024-08-28 | UCMR5 Analytical Results: BENSON, CITY OF WATER SYSTEM (AZ0402005) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2024-01-16 to 2024-08-28 | UCMR5 Analytical Results: BENSON, CITY OF WATER SYSTEM (AZ0402005) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-01-16 to 2024-08-28 | UCMR5 Analytical Results: BENSON, CITY OF WATER SYSTEM (AZ0402005) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-01-16 to 2024-08-28 | UCMR5 Analytical Results: BENSON, CITY OF WATER SYSTEM (AZ0402005) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-01-16 to 2024-08-28 | UCMR5 Analytical Results: BENSON, CITY OF WATER SYSTEM (AZ0402005) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-16 to 2024-08-28 | UCMR5 Analytical Results: BENSON, CITY OF WATER SYSTEM (AZ0402005) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-16 to 2024-08-28 | UCMR5 Analytical Results: BENSON, CITY OF WATER SYSTEM (AZ0402005) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-16 to 2024-07-09 | UCMR5 Analytical Results: BENSON, CITY OF WATER SYSTEM (AZ0402005) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-16 to 2024-07-09 | UCMR5 Analytical Results: BENSON, CITY OF WATER SYSTEM (AZ0402005) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-16 to 2024-08-28 | UCMR5 Analytical Results: BENSON, CITY OF WATER SYSTEM (AZ0402005) |
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.
Get PurityMap updates about this water system.
Follow this water →Benson, City of Water System's phone number on EPA record is 520-686-3519. Its mailing address is 101 E 6TH ST, BENSON, AZ 85602.
According to EPA's record, Benson, City of Water System uses groundwater from its own wells.
No health-based violations on EPA record since 2016. EPA also lists 7 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 Benson, City of Water System's latest lead and copper round, which ended in December 2027. The federal action level is 15 µg/L.
PurityMap has no verified website for Benson, City of Water System. Its phone number on EPA record is 520-686-3519. Its mailing address on EPA record is 101 E 6TH ST, BENSON, AZ 85602. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.