American Water filed a Missouri rate request seeking approximately $179 million in annualized incremental revenue to support about $1.6 billion of water and wastewater investments.

Key Highlights:

  • Missouri American Water filed with MoPSC requesting ~$179M annual incremental revenue, excluding ~$32M in infrastructure surcharges.
  • Request is based on 10.50% return on equity and a capital structure of 50.3% equity / 49.7% long-term debt.
  • Requested revenue driven by ~$1.6B of investments from June 2025 through May 2028 in pipelines, treatment, storage and lead line replacements.
  • If approved as filed, average St. Louis County residential bill (5,900 gal) would rise ~ $23/month; outside St. Louis County (4,500 gal) ~ $15/month.
  • New rates are anticipated to take effect in June 2027, subject to MoPSC review (up to 11 months) and approval.

Original SEC Filing:

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