Water Supply
41 tracked issuers filing with the SEC under this industry classification.
Issuers
41
Filings
40
SIC Code
4941
Industry Overview
Water Supply
The Water Supply industry, classified under SIC 4941, encompasses municipal utilities, regional water authorities, and private operators responsible for sourcing, treating, and distributing potable water and related services such as wastewater pre-treatment, metering, and infrastructure maintenance. Typical customers include households, commercial buildings, industrial plants, and agricultural users, all demanding reliable quantity and quality at predictable prices. Operators face significant risks from aging pipelines, drought and climate volatility, energy-intensive treatment costs, and strict federal, state, and local regulations covering water quality, PFAS and other emerging contaminants, cybersecurity, and rate-setting. In 2024–2025, the sector is defined by increased investment in smart metering, leak detection, desalination and reuse projects, resilience upgrades, and consolidation among smaller systems seeking capital and compliance scale. ESG-focused investors are also scrutinizing utilities’ governance, affordability programs, and climate adaptation plans. For deeper insight into individual water utilities’ strategies, capital spending, and regulatory proceedings, view their live SEC filings on EarningsFeed.
Source: Earnings Feed research · 11/23/2025
Latest Filings
- 6-KCOMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP$SBS
COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP 6-K
Dec 3, 7:51 AM ET29.2 KB - 6-KCOMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP$SBS
COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP 6-K
Dec 2, 11:54 AM ET338.3 KB - 8-KYORK WATER CO$YORW
YORK WATER CO 8-K
Nov 25, 3:57 PM ET176.4 KB - 6-KCOMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP$SBS
COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP 6-K
Nov 25, 8:10 AM ET882.8 KB - 8-KCALIFORNIA WATER SERVICE GROUP$CWT
CALIFORNIA WATER SERVICE GROUP 8-K
Nov 20, 9:16 AM ET274.7 KB - 8-KAMERICAN STATES WATER CO$AWR
AMERICAN STATES WATER CO 8-K
Nov 19, 4:31 PM ET238.1 KB - 8-KGlobal Water Resources, Inc.$GWRS
Global Water Resources, Inc. 8-K
Nov 17, 3:57 PM ET3.3 MB - 8-KAmerican Water Works Company, Inc.$AWK
American Water Works Company, Inc. 8-K
Nov 14, 4:27 PM ET311.3 KB - 8-KPURE CYCLE CORP$PCYO
PURE CYCLE CORP 8-K
Nov 13, 10:19 AM ET10.1 MB - 10-QCADIZ INC$CDZI
CADIZ INC 10-Q
Nov 13, 9:06 AM ET6.0 MB - 10-QGlobal Water Resources, Inc.$GWRS
Global Water Resources, Inc. 10-Q
Nov 12, 11:48 AM ET6.8 MB - 8-KGlobal Water Resources, Inc.$GWRS
Global Water Resources, Inc. 8-K
Nov 12, 11:41 AM ET578.7 KB - 10-KPURE CYCLE CORP$PCYO
PURE CYCLE CORP 10-K
Nov 12, 11:01 AM ET13.1 MB - 6-KCOMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP$SBS
COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP 6-K
Nov 12, 1:14 AM ET20.4 MB - 6-KCOMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP$SBS
COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP 6-K
Nov 12, 1:04 AM ET9.4 MB - 8-KAmerican Water Works Company, Inc.$AWK
American Water Works Company, Inc. 8-K
Jul 1, 5:23 PM ET328.6 KB - 6-KCOMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP$SBS
COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP 6-K
Jul 1, 6:26 AM ET274.9 KB - 8-KAmerican Water Works Company, Inc.$AWK
American Water Works Company, Inc. 8-K
Jun 5, 4:13 PM ET243.2 KB - SC 13G/ACALIFORNIA WATER SERVICE GROUP$CWT
CALIFORNIA WATER SERVICE GROUP SC 13G/A
Jan 29, 11:00 AM ET8.6 KB - 8-KCALIFORNIA WATER SERVICE GROUP$CWT
CALIFORNIA WATER SERVICE GROUP 8-K
Jan 29, 6:02 AM ET248.4 KB - 8-KCALIFORNIA WATER SERVICE GROUP$CWT
CALIFORNIA WATER SERVICE GROUP 8-K
Jul 18, 3:10 PM ET228.1 KB - SC 13G/AARTESIAN RESOURCES CORP$ARTNA
ARTESIAN RESOURCES CORP SC 13G/A
Jan 24, 1:56 PM ET13.1 KB - 8-KAMERICAN STATES WATER CO$AWR
AMERICAN STATES WATER CO 8-K
Nov 7, 4:37 PM ET451.4 KB - 10-QAMERICAN STATES WATER CO$AWR
AMERICAN STATES WATER CO 10-Q
Nov 7, 4:35 PM ET9.1 MB - 8-KAmerican Water Works Company, Inc.$AWK
American Water Works Company, Inc. 8-K
Jan 3, 5:02 PM ET259.5 KB - 6-KCOMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP$SBS
COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP 6-K
Dec 30, 8:20 PM ET27.8 KB - 6-KCOMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP$SBS
COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP 6-K
Dec 30, 8:18 PM ET34.5 KB - 4GEMMILL ELIZABETH H
GEMMILL ELIZABETH H 4
Oct 4, 4:01 PM ET4.6 KB - 8-KEssential Utilities, Inc.$WTRG
Essential Utilities, Inc. 8-K
Jun 25, 4:52 PM ET354.0 KB - 8-KAmerican Water Works Company, Inc.$AWK
American Water Works Company, Inc. 8-K
Jun 1, 4:33 PM ET319.4 KB - SC 13GCADIZ INC$CDZI
CADIZ INC SC 13G
Apr 9, 6:02 PM ET12.6 KB - SC 13G/AEssential Utilities, Inc.$WTRG
Essential Utilities, Inc. SC 13G/A
Apr 9, 6:02 PM ET13.7 KB - 8-KCALIFORNIA WATER SERVICE GROUP$CWT
CALIFORNIA WATER SERVICE GROUP 8-K
Jan 27, 5:29 PM ET259.7 KB - 4GEMMILL ELIZABETH H
GEMMILL ELIZABETH H 4
Jan 4, 4:27 PM ET6.4 KB - 8-KCALIFORNIA WATER SERVICE GROUP$CWT
CALIFORNIA WATER SERVICE GROUP 8-K
Dec 4, 4:15 PM ET258.4 KB - 6-KCOMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP$SBS
COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP 6-K
Jun 4, 6:55 PM ET36.3 KB - 8-KAMERICAN STATES WATER CO$AWR
AMERICAN STATES WATER CO 8-K
Feb 24, 5:02 PM ET432.0 KB - 10-KAMERICAN STATES WATER CO$AWR
AMERICAN STATES WATER CO 10-K
Feb 24, 4:57 PM ET23.1 MB - SC 13DAquaVenture Holdings Ltd
AquaVenture Holdings Ltd SC 13D
Jan 2, 5:25 PM ET928.9 KB - 6-KCOMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP$SBS
COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP 6-K
Aug 13, 9:56 AM ET78.5 KB
Featured Issuers
12AGENT155 MEDIA CORP.
CIK 0001389405
- $AWR
AMERICAN STATES WATER CO
CIK 0001056903
AMERICAN WATER WORKS CO INC
CIK 0000318819
- $AWK
American Water Works Company, Inc.
CIK 0001410636
AQUARION CO
CIK 0000049423
AquaVenture Holdings Ltd
CIK 0001422841
- $ARTNA
ARTESIAN RESOURCES CORP
CIK 0000863110
AZURIX CORP
CIK 0001080205
Basin Water, Inc.
CIK 0001352045
BIRMINGHAM UTILITIES INC
CIK 0000006694
BIW LTD
CIK 0001169237
- $VYRE
CABO VERDE CAPITAL INC.
CIK 0001127007
Classification
- SIC Code
- 4941
- Total Issuers
- 41
- Recent Filings
- 40