No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting July 2018.
Serves about 32,425 people (15,295 connections) with surface water from its own intake.
From EPA's record for AZ0414004. PurityMap is independent of Foothills Water and Sewer LLC.
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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 April 2019 | Long Term 2 Enhanced Surface Water Treatment Rule | – | – | Resolved |
| Jul–Sep 2018 | Total trihalomethanes (TTHM) | 0.085 mg/L | 0.080 mg/L | Resolved |
EPA required this system to test for 30 unregulated and emerging contaminants, from June 2023 to April 2024.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Lithium | 94.9 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 | 2023-06-14 to 2024-03-20 | UCMR5 Analytical Results: FOOTHILLS WATER AND SEWER LLC (AZ0414004) |
| 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 | 2023-06-14 to 2024-04-24 | UCMR5 Analytical Results: FOOTHILLS WATER AND SEWER LLC (AZ0414004) |
| 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 | 2023-06-14 to 2024-04-24 | UCMR5 Analytical Results: FOOTHILLS WATER AND SEWER LLC (AZ0414004) |
| 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 | 2023-06-14 to 2024-04-24 | UCMR5 Analytical Results: FOOTHILLS WATER AND SEWER LLC (AZ0414004) |
| 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 | 2023-06-14 to 2024-04-24 | UCMR5 Analytical Results: FOOTHILLS WATER AND SEWER LLC (AZ0414004) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-14 to 2024-04-24 | UCMR5 Analytical Results: FOOTHILLS WATER AND SEWER LLC (AZ0414004) |
| 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 | 2023-06-14 to 2024-04-24 | UCMR5 Analytical Results: FOOTHILLS WATER AND SEWER LLC (AZ0414004) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-06-14 to 2024-04-24 | UCMR5 Analytical Results: FOOTHILLS WATER AND SEWER LLC (AZ0414004) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-14 to 2024-03-20 | UCMR5 Analytical Results: FOOTHILLS WATER AND SEWER LLC (AZ0414004) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-14 to 2024-03-20 | UCMR5 Analytical Results: FOOTHILLS WATER AND SEWER LLC (AZ0414004) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-14 to 2024-04-24 | UCMR5 Analytical Results: FOOTHILLS WATER AND SEWER LLC (AZ0414004) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-14 to 2024-04-24 | UCMR5 Analytical Results: FOOTHILLS WATER AND SEWER LLC (AZ0414004) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-14 to 2024-04-24 | UCMR5 Analytical Results: FOOTHILLS WATER AND SEWER LLC (AZ0414004) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-14 to 2024-04-24 | UCMR5 Analytical Results: FOOTHILLS WATER AND SEWER LLC (AZ0414004) |
| 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 | 2023-06-14 to 2024-04-24 | UCMR5 Analytical Results: FOOTHILLS WATER AND SEWER LLC (AZ0414004) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-14 to 2024-04-24 | UCMR5 Analytical Results: FOOTHILLS WATER AND SEWER LLC (AZ0414004) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-14 to 2024-04-24 | UCMR5 Analytical Results: FOOTHILLS WATER AND SEWER LLC (AZ0414004) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-14 to 2024-04-24 | UCMR5 Analytical Results: FOOTHILLS WATER AND SEWER LLC (AZ0414004) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-14 to 2024-04-24 | UCMR5 Analytical Results: FOOTHILLS WATER AND SEWER LLC (AZ0414004) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-14 to 2024-04-24 | UCMR5 Analytical Results: FOOTHILLS WATER AND SEWER LLC (AZ0414004) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-06-14 to 2024-04-24 | UCMR5 Analytical Results: FOOTHILLS WATER AND SEWER LLC (AZ0414004) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2023-06-14 to 2024-04-24 | UCMR5 Analytical Results: FOOTHILLS WATER AND SEWER LLC (AZ0414004) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-06-14 to 2024-04-24 | UCMR5 Analytical Results: FOOTHILLS WATER AND SEWER LLC (AZ0414004) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-06-14 to 2024-04-24 | UCMR5 Analytical Results: FOOTHILLS WATER AND SEWER LLC (AZ0414004) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-06-14 to 2024-04-24 | UCMR5 Analytical Results: FOOTHILLS WATER AND SEWER LLC (AZ0414004) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-14 to 2024-04-24 | UCMR5 Analytical Results: FOOTHILLS WATER AND SEWER LLC (AZ0414004) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-14 to 2024-04-24 | UCMR5 Analytical Results: FOOTHILLS WATER AND SEWER LLC (AZ0414004) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-14 to 2024-03-20 | UCMR5 Analytical Results: FOOTHILLS WATER AND SEWER LLC (AZ0414004) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-14 to 2024-03-20 | UCMR5 Analytical Results: FOOTHILLS WATER AND SEWER LLC (AZ0414004) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-06-14 to 2024-04-24 | UCMR5 Analytical Results: FOOTHILLS WATER AND SEWER LLC (AZ0414004) |
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 →Foothills Water and Sewer LLC's phone number on EPA record is 928-581-3321. Its mailing address is 10371 S DEL RICO, YUMA, AZ 85367.
According to EPA's record, Foothills Water and Sewer LLC uses surface water from its own intake.
EPA's record shows 2 health-based violations for Foothills Water and Sewer LLC 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 July 2018. EPA also lists 419 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 Foothills Water and Sewer LLC'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 Foothills Water and Sewer LLC. Its phone number on EPA record is 928-581-3321. Its mailing address on EPA record is 10371 S DEL RICO, YUMA, AZ 85367. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.