---
schema_version: "secwatch.filing_event.v1"
accession: "0000863110-23-000009"
form_type: "8-K"
ticker: "ARTNA"
cik: "0000863110"
company_name: "ARTESIAN RESOURCES CORP"
filed_at: "2023-05-03T23:59:59+00:00"
generated_at: "2026-06-16T02:07:05.138546+00:00"
event_type: "regulatory"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Artesian Resources files for 23.84% water rate increase in Delaware, first in 9 years

## Summary
- Requested annual revenue increase of ~$17.5M (23.84%) from Delaware PSC; last rate case was in 2014.
- Average residential bill would rise from $49.90 to $56.73/month ($0.22/day increase) if fully granted.
- Since 2014, Artesian invested $158M in infrastructure, including 45 miles of aging main replacements.
- Currently has maximum 7.5% DSIC surcharge; temporary 15% rate not initially sought to avoid DSIC reset.
- Received full $10M reimbursement for Llangollen wellfield contamination; customers get $27 credit through 2025.

## SEC filing metadata
- accession: 0000863110-23-000009
- form_type: 8-K
- ticker: ARTNA
- cik: 0000863110
- company_name: ARTESIAN RESOURCES CORP
- filed_at: 2023-05-03T23:59:59+00:00
- event_type: regulatory
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 8.01, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/863110/000086311023000009/0000863110-23-000009-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/863110/000086311023000009/8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000863110-23-000009
- JSON: https://secwatch.observer/filing/0000863110-23-000009.json
- Plain text: https://secwatch.observer/filing/0000863110-23-000009.txt

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