---
schema_version: "secwatch.filing_event.v1"
accession: "0001174947-22-001022"
form_type: "8-K"
ticker: "MSEX"
cik: "0000066004"
company_name: "MIDDLESEX WATER CO"
filed_at: "2022-09-15T23:59:59+00:00"
generated_at: "2026-06-23T09:33:11.027578+00:00"
event_type: "regulatory"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Middlesex Water enters NJDEP consent order over PFOA exceedance; permanent fixes due June 2023

## Summary
- NJDEP issued Notice of Non-Compliance in Sept 2021 for PFOA above new 14 ppt standard; no acute health threat.
- Interim solution implemented Dec 2021; Park Ave plant offline; accelerated partial treatment online June 2022.
- Sept 13, 2022 Administrative Consent Order requires permanent treatment construction by June 30, 2023.
- ACO mandates quarterly progress reports, sample testing, and public notification by Feb 22, 2023.
- Non-compliance with ACO schedule can result in penalties up to $500 per day; water currently compliant.

## SEC filing metadata
- accession: 0001174947-22-001022
- form_type: 8-K
- ticker: MSEX
- cik: 0000066004
- company_name: MIDDLESEX WATER CO
- filed_at: 2022-09-15T23:59:59+00:00
- event_type: regulatory
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/66004/000117494722001022/0001174947-22-001022-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/66004/000117494722001022/form8k-28710_msx.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001174947-22-001022
- JSON: https://secwatch.observer/filing/0001174947-22-001022.json
- Plain text: https://secwatch.observer/filing/0001174947-22-001022.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.