The system of service charges established by this Part 2 shall take precedence over any terms or conditions of agreements or contracts between the grantee and users (including industrial users, special districts, other municipalities or state and federal agencies or installations) which are inconsistent with Section 204(b)(1)(A) of the Clean Water Act (33 U.S.C. § 1251 et seq., as amended) or 40 CFR 35 rules and regulations.