No open health-based violations on EPA record in the last 10 years.
Serves about 9,327 people (3,195 connections) with surface water bought from Passaic Valley Water Commission.
From EPA's record for NJ1611002. PurityMap is independent of Ringwood Water Department.
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4 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| From October 2024 | Surface Water Treatment Rule | – | – | Resolved |
| From September 2024 | Surface Water Treatment Rule | – | – | Resolved |
| From July 2020 | Lead and Copper Rule | – | TT | Resolved |
| From July 2019 | Lead and Copper Rule | – | TT | Resolved |
EPA required this system to test for 30 unregulated and emerging contaminants, from January 2025 to October 2025.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Perfluorooctanoic acid (PFOA) | 12.3 ng/L | 4.0 ng/L federal MCL (2024) | Above a historical reference; current applicability unverified | 2025-01-15 to 2025-10-14 | UCMR5 Analytical Results: RINGWOOD WATER DEPARTMENT (NJ1611002) |
| Perfluorooctanesulfonic acid (PFOS) | 8.8 ng/L | 4.0 ng/L federal MCL (2024) | Above a historical reference; current applicability unverified | 2025-01-15 to 2025-10-14 | UCMR5 Analytical Results: RINGWOOD WATER DEPARTMENT (NJ1611002) |
| Perfluorohexanesulfonic acid (PFHxS) | 3.1 ng/L | 10 ng/L federal MCL (2024) | Within a historical reference; current applicability unverified | 2025-01-15 to 2025-10-14 | UCMR5 Analytical Results: RINGWOOD WATER DEPARTMENT (NJ1611002) |
| Perfluorobutanesulfonic acid (PFBS) | 5.2 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 | 2025-01-15 to 2025-10-14 | UCMR5 Analytical Results: RINGWOOD WATER DEPARTMENT (NJ1611002) |
| Perfluorohexanoic acid (PFHxA) | 8.7 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Within a historical reference; current applicability unverified | 2025-01-15 to 2025-10-14 | UCMR5 Analytical Results: RINGWOOD WATER DEPARTMENT (NJ1611002) |
| Perfluorobutanoic acid (PFBA) | 5.2 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2025-01-15 to 2025-10-14 | UCMR5 Analytical Results: RINGWOOD WATER DEPARTMENT (NJ1611002) |
| Perfluoroheptanoic acid (PFHpA) | 3.6 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2025-01-15 to 2025-10-14 | UCMR5 Analytical Results: RINGWOOD WATER DEPARTMENT (NJ1611002) |
| Perfluoropentanoic acid (PFPeA) | 9.7 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2025-01-15 to 2025-10-14 | UCMR5 Analytical Results: RINGWOOD WATER DEPARTMENT (NJ1611002) |
| 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 | 2025-01-15 to 2025-10-14 | UCMR5 Analytical Results: RINGWOOD WATER DEPARTMENT (NJ1611002) |
| 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 | 2025-01-15 to 2025-10-14 | UCMR5 Analytical Results: RINGWOOD WATER DEPARTMENT (NJ1611002) |
| 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 | 2025-01-15 to 2025-10-14 | UCMR5 Analytical Results: RINGWOOD WATER DEPARTMENT (NJ1611002) |
| 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 | 2025-01-15 to 2025-10-14 | UCMR5 Analytical Results: RINGWOOD WATER DEPARTMENT (NJ1611002) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-15 to 2025-10-14 | UCMR5 Analytical Results: RINGWOOD WATER DEPARTMENT (NJ1611002) |
| 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 | 2025-01-15 to 2025-10-14 | UCMR5 Analytical Results: RINGWOOD WATER DEPARTMENT (NJ1611002) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-01-15 to 2025-10-14 | UCMR5 Analytical Results: RINGWOOD WATER DEPARTMENT (NJ1611002) |
| Lithium | < 9 µg/L | 10 µg/L EPA health reference level (screening, not a legal limit)Screening level, not a legal limit | Not detected above the reporting limit | 2025-01-15 to 2025-10-14 | UCMR5 Analytical Results: RINGWOOD WATER DEPARTMENT (NJ1611002) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-15 to 2025-10-14 | UCMR5 Analytical Results: RINGWOOD WATER DEPARTMENT (NJ1611002) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-15 to 2025-10-14 | UCMR5 Analytical Results: RINGWOOD WATER DEPARTMENT (NJ1611002) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-15 to 2025-10-14 | UCMR5 Analytical Results: RINGWOOD WATER DEPARTMENT (NJ1611002) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-15 to 2025-10-14 | UCMR5 Analytical Results: RINGWOOD WATER DEPARTMENT (NJ1611002) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-15 to 2025-10-14 | UCMR5 Analytical Results: RINGWOOD WATER DEPARTMENT (NJ1611002) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-15 to 2025-10-14 | UCMR5 Analytical Results: RINGWOOD WATER DEPARTMENT (NJ1611002) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-15 to 2025-10-14 | UCMR5 Analytical Results: RINGWOOD WATER DEPARTMENT (NJ1611002) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-15 to 2025-10-14 | UCMR5 Analytical Results: RINGWOOD WATER DEPARTMENT (NJ1611002) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-15 to 2025-10-14 | UCMR5 Analytical Results: RINGWOOD WATER DEPARTMENT (NJ1611002) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-01-15 to 2025-10-14 | UCMR5 Analytical Results: RINGWOOD WATER DEPARTMENT (NJ1611002) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-15 to 2025-10-14 | UCMR5 Analytical Results: RINGWOOD WATER DEPARTMENT (NJ1611002) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-15 to 2025-10-14 | UCMR5 Analytical Results: RINGWOOD WATER DEPARTMENT (NJ1611002) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-15 to 2025-10-14 | UCMR5 Analytical Results: RINGWOOD WATER DEPARTMENT (NJ1611002) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-15 to 2025-10-14 | UCMR5 Analytical Results: RINGWOOD WATER DEPARTMENT (NJ1611002) |
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 →Ringwood Water Department's phone number on EPA record is 973-475-7144. Its mailing address is 60 MARGARET KING AVE, RINGWOOD, NJ 07456.
According to EPA's record, Ringwood Water Department uses surface water bought from Passaic Valley Water Commission.
EPA's record shows 4 health-based violations for Ringwood Water Department in the 10 years to July 9, 2026. No open health-based violations on EPA record in the last 10 years. EPA also lists 24 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in Ringwood Water Department's latest lead and copper round, which ended in June 2026, was 1.7 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for Ringwood Water Department. Its phone number on EPA record is 973-475-7144. Its mailing address on EPA record is 60 MARGARET KING AVE, RINGWOOD, NJ 07456. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.