No health-based violations on EPA record since 2016.
Serves about 9,027 people (1,917 connections) with surface water bought from Essex Fells Water Dept.
From EPA's record for NJ0703001. PurityMap is independent of Caldwell Water Dept.
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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 February 2024 to November 2024.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Perfluorooctanoic acid (PFOA) | 15.4 ng/L | 4.0 ng/L federal MCL (2024) | Above a historical reference; current applicability unverified | 2024-02-14 to 2024-11-11 | UCMR5 Analytical Results: CALDWELL WATER DEPT (NJ0703001) |
| Lithium | 9.12 µg/L | 10 µg/L EPA health reference level (screening, not a legal limit)Screening level, not a legal limit | Within the referenced health-based guidance value | 2024-02-14 to 2024-11-11 | UCMR5 Analytical Results: CALDWELL WATER DEPT (NJ0703001) |
| Perfluorohexanesulfonic acid (PFHxS) | 4.8 ng/L | 10 ng/L federal MCL (2024) | Within a historical reference; current applicability unverified | 2024-02-14 to 2024-11-11 | UCMR5 Analytical Results: CALDWELL WATER DEPT (NJ0703001) |
| Perfluorobutanesulfonic acid (PFBS) | 3.2 ng/L | 2,000 ng/L EPA health advisory (screening, not a legal limit)Screening level, not a legal limit | Within the referenced health-based guidance value | 2024-02-14 to 2024-11-11 | UCMR5 Analytical Results: CALDWELL WATER DEPT (NJ0703001) |
| Perfluorohexanoic acid (PFHxA) | 4.6 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Within a historical reference; current applicability unverified | 2024-02-14 to 2024-11-11 | UCMR5 Analytical Results: CALDWELL WATER DEPT (NJ0703001) |
| Perfluoroheptanoic acid (PFHpA) | 3.6 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2024-02-14 to 2024-11-11 | UCMR5 Analytical Results: CALDWELL WATER DEPT (NJ0703001) |
| Perfluoropentanoic acid (PFPeA) | 5.5 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2024-02-14 to 2024-11-11 | UCMR5 Analytical Results: CALDWELL WATER DEPT (NJ0703001) |
| 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 | 2024-02-14 to 2024-11-11 | UCMR5 Analytical Results: CALDWELL WATER DEPT (NJ0703001) |
| 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 | 2024-02-14 to 2024-11-11 | UCMR5 Analytical Results: CALDWELL WATER DEPT (NJ0703001) |
| 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 | 2024-02-14 to 2024-11-11 | UCMR5 Analytical Results: CALDWELL WATER DEPT (NJ0703001) |
| 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 | 2024-02-14 to 2024-11-11 | UCMR5 Analytical Results: CALDWELL WATER DEPT (NJ0703001) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-14 to 2024-11-11 | UCMR5 Analytical Results: CALDWELL WATER DEPT (NJ0703001) |
| 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 | 2024-02-14 to 2024-11-11 | UCMR5 Analytical Results: CALDWELL WATER DEPT (NJ0703001) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-02-14 to 2024-11-11 | UCMR5 Analytical Results: CALDWELL WATER DEPT (NJ0703001) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-14 to 2024-11-11 | UCMR5 Analytical Results: CALDWELL WATER DEPT (NJ0703001) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-14 to 2024-11-11 | UCMR5 Analytical Results: CALDWELL WATER DEPT (NJ0703001) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-14 to 2024-11-11 | UCMR5 Analytical Results: CALDWELL WATER DEPT (NJ0703001) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-14 to 2024-11-11 | UCMR5 Analytical Results: CALDWELL WATER DEPT (NJ0703001) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-14 to 2024-11-11 | UCMR5 Analytical Results: CALDWELL WATER DEPT (NJ0703001) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-14 to 2024-11-11 | UCMR5 Analytical Results: CALDWELL WATER DEPT (NJ0703001) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-14 to 2024-11-11 | UCMR5 Analytical Results: CALDWELL WATER DEPT (NJ0703001) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-14 to 2024-11-11 | UCMR5 Analytical Results: CALDWELL WATER DEPT (NJ0703001) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-14 to 2024-11-11 | UCMR5 Analytical Results: CALDWELL WATER DEPT (NJ0703001) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-14 to 2024-11-11 | UCMR5 Analytical Results: CALDWELL WATER DEPT (NJ0703001) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-02-14 to 2024-11-11 | UCMR5 Analytical Results: CALDWELL WATER DEPT (NJ0703001) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-02-14 to 2024-11-11 | UCMR5 Analytical Results: CALDWELL WATER DEPT (NJ0703001) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-14 to 2024-11-11 | UCMR5 Analytical Results: CALDWELL WATER DEPT (NJ0703001) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-14 to 2024-11-11 | UCMR5 Analytical Results: CALDWELL WATER DEPT (NJ0703001) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-14 to 2024-11-11 | UCMR5 Analytical Results: CALDWELL WATER DEPT (NJ0703001) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-14 to 2024-11-11 | UCMR5 Analytical Results: CALDWELL WATER DEPT (NJ0703001) |
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 →Caldwell Water Dept's phone number on EPA record is 973-284-4958. Its mailing address is 1 KENNEDY DR, NUTLEY, NJ 07110.
According to EPA's record, Caldwell Water Dept uses surface water bought from Essex Fells Water Dept.
No health-based violations on EPA record since 2016. EPA also lists 18 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in Caldwell Water Dept's latest lead and copper round, which ended in December 2024, was 1.923 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for Caldwell Water Dept. Its phone number on EPA record is 973-284-4958. Its mailing address on EPA record is 1 KENNEDY DR, NUTLEY, NJ 07110. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.