0000766829 2026-10-27 2026-10-27 0000766829 1 2026-10-27 2026-10-27 0000766829 2 2026-10-27 2026-10-27 0000766829 3 2026-10-27 2026-10-27 0000766829 4 2026-10-27 2026-10-27 0000766829 5 2026-10-27 2026-10-27 0000766829 6 2026-10-27 2026-10-27 0000766829 7 2026-10-27 2026-10-27 iso4217:USD pure S-3 POSASR EX-FILING FEES 333-282881 0000766829 H2O AMERICA N/A N/A S-3 H2O AMERICA false Equity Common Stock, $0.001 par value true 0.000087 false Equity Preferred Stock true 0.000087 false Debt Debt Securities true 0.000087 false Other Depositary Shares true 0.000087 false Other Warrants true 0.000087 false Other Units true 0.000087 false Other Stock Purchase Contracts true 0.000087 0.00 0.00 0.00 0.00 0.00 (a) The Registrant is relying on Rule 456(b) and Rule 457(r) under the Securities Act of 1933, as amended, to defer payment of all of the registration fee and will pay any applicable registration fees on a "pay as you go" basis. The Registrant will calculate the registration fee applicable to an offer of securities hereunder based on the fee payment rate in effect on the date of such fee payment. (b) An indeterminate number and amount of securities to be offered at indeterminate prices is being registered pursuant to this registration statement, and may be issued upon conversion, redemption, exchange, exercise or settlement of any securities registered hereunder, including under any applicable antidilution provisions. See footnote 1(a) and 1(b). See footnote 1(a) and 1(b). See footnote 1(a) and 1(b). See footnote 1(a) and 1(b). See footnote 1(a) and 1(b). See footnote 1(a) and 1(b).