San Francisco Baykeeper v. Sunnyvale

District Court, N.D. California·Decided May 12, 2025·No. 5:20-cv-00824·Unknown

Opinion

SAN FRANCISCO BAYKEEPER, Case No. 5:20-cv-00824-EJD

Plaintiff, ORDER DENYING MOTION FOR RECONSIDERATION v.

CITY OF SUNNYVALE, et al., Re: ECF No. 278 Defendants.

Two months ago, the Supreme Court issued its opinion in City and County of San Francisco v. EPA (“CCSF”), 145 S. Ct. 704 (2025). There, the Supreme Court held that discharge permits issued under the Clean Water Act, which regulate pollutant discharges into certain bodies of water, cannot contain “end-result” limitations. According to Defendants—the Cities of Sunnyvale and Mountain View—the permit limitations they are being accused of violating in this matter are precisely such unallowable end-result limitations. As such, the Cities now move for reconsideration of several of the Court’s prior orders granting relief against the Cities. After reviewing the submissions on this issue, the Court finds oral argument to be unnecessary under Civil Local Rule 7-1(b). Because the Cities may not collaterally attack the validity of the permit limitations here, the Court DENIES the Cities’ motion for reconsideration. This lawsuit centers around allegations that the Cities’ municipal separate storm sewer systems discharged excessive amounts of bacteria into certain waters when it rained. Based on these allegations, Plaintiff San Francisco Baykeeper filed citizen suits against the Cities claiming that these discharges violated the National Pollutant Discharge Elimination System (NPDES) At each stage in this litigation, the Court has held that Baykeeper could proceed with its claims. To start, over two rounds of Rule 12 motion practice, the Court rejected the Cities’ jurisdictional arguments and found that Baykeeper had sufficiently stated its claims. ECF No. 571; ECF No. 194. Then, on cross-motions for summary judgment, the Court denied the Cities’ motion while granting partial summary judgment in favor of Baykeeper. The Court held: that Baykeeper had Article III standing to assert claims for NPDES permit violations in the South San Francisco Bay, Stevens Creek, and Calabazas Creek; that those three bodies of water were Waters of the United States (WOTUS) subject to the Clean Water Act; and that the Cities had violated their NPDES permits on certain days for which Baykeeper had collected water quality samples. ECF Nos. 139, 270. Finally, on an earlier motion for reconsideration, the Court concluded that the Supreme Court’s intervening decision in Sackett v. EPA, 598 U.S. 651 (2023), did not affect the Court’s earlier findings on WOTUS. ECF No. 199. Subsequently, the Court awarded interim attorney’s fees to Baykeeper for prevailing in part at summary judgment. ECF Nos. 207, 227. The net result of these orders was that the parties were on track for a trial on two of Baykeeper’s claims. The first claim is based on violation of a permit limitation that the parties refer to as Discharge Prohibition A.1. In relevant part, Discharge Prohibition A.1 reads:

The [Cities] shall, within their respective jurisdictions, effectively prohibit the discharge of non-stormwater (materials other than stormwater) into storm drain systems and watercourses. ECF No. 145, Ex. A (2022 Permit) at 6.2 The second claim is based on violation of a permit limitation referred to as Receiving Water Limitation B.2. That provision reads:

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San Francisco Baykeeper v. Sunnyvale, (N.D. Cal. 2025).

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