Companhia De Saneamento Basico Do Estado De Sao Paulo-Sabesp 6-K, filed Aug 3, 2020

SECURITIES AND EXCHANGECOMMISSION

Washington, DC 20549

FORM 6-K

REPORT OF FOREIGNISSUERPURSUANT TO RULE 13a-16 OR 15d-16 OF THE

SECURITIES EXCHANGEACT OF 1934

For July, 2020

(Commission FileNo. 1-31317)

Companhia de SaneamentoBásico do Estado de São Paulo - SABESP

(Exact name of registrantas specified in its charter)

Basic SanitationCompany of the State of Sao Paulo - SABESP

(Translation ofRegistrant's name into English)

Rua Costa Carvalho,300São Paulo, S.P., 05429-900Federative Republic of Brazil

(Address of Registrant'sprincipal executive offices)

Indicate by check mark whether the registrant files or will file

annual reports under cover Form 20-F or Form 40-F.

Form 20-F ___X___ Form 40-F ______

Indicate by check mark if the registrant is submitting the Form 6-K

in paper as permitted by Regulation S-T Rule 101(b)(1)__.

Indicate by check mark if the registrant is submitting the Form 6-K

in paper as permitted by Regulation S-T Rule 101(b)(7)__.

Indicate by check mark whether the registrant by furnishing the

information contained in this Form is also thereby furnishing the

information to the Commission pursuant to Rule 12g3-2(b) under

the Securities Exchange Act of 1934.

Yes ______ No ___X___

If "Yes" is marked, indicated below the file number assigned to the

registrant in connection with Rule 12g3-2(b):

COMPANHIA DE SANEAMENTO BÁSICO DO ESTADO DE SÃO PAULO – SABESP

PUBLICLYHELD COMPANY

Corporate Taxpayer’s ID (CNPJ): 43.776.517/0001-80

MATERIAL FACT

Companhia de Saneamento Básico do Estado de São Paulo – Sabesp (Sabesp or Company), in compliance with Rule No. 358 issued by the Brazilian Securities and Exchange Commission, dated as of January 3, 2002, as amended, in continuity to the Material Fact disclosed on May 14, 2020, and the Notices to the Market of June 11 and July 03, 2020, hereby informs its shareholders and the market in general that the São Paulo State Energy and Sanitation Regulatory Agency (ARSESP - Agência Reguladorade Saneamento e Energia do Estado de São Paulo) published:

The above-mentioned documents are available on Sabesp’s Investor Relations’ website.

Sao Paulo, July 30, 2020.

Ruide Britto Álvares Affonso

Chief Financial Officer and Investor Relations Officer

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized, in the city São Paulo, Brazil.

Date: July 15, 2020

FORWARD-LOOKINGSTATEMENTS

This press release may contain forward-looking statements. These statements are statements that are not historical facts, and are based on management's current view and estimates of future economic circumstances, industry conditions, company performance and financial results. The words "anticipates", "believes", "estimates", "expects", "plans" and similar expressions, as they relate to the company, are intended to identify forward-looking statements. Statements regarding the declaration or payment of dividends, the implementation of principal operating and financing strategies and capital expenditure plans, the direction of future operations and the factors or trends affecting financial condition, liquidity or results of operations are examples of forward-looking statements. Such statements reflect the current views of management and are subject to a number of risks and uncertainties. There is no guarantee that the expected events, trends or results will actually occur. The statements are based on many assumptions and factors, including general economic and market conditions, industry conditions, and operating factors. Any changes in such assumptions or factors could cause actual results to differ materially from current expectations.