U.S. Supreme Court Decision Revives Guam Suit, Clarifies CERCLA, and Provides Cautionary Tale

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Does a consent decree under the Clean Water Act (“CWA”) trigger a three-year limitation period to bring a contribution claim under the Comprehensive Environmental Response, Compensation and Liability Act (“CERCLA”) when the consent decree makes no mention of CERCLA? The Supreme Court answered no in its recent, unanimous decision in Territory of Guam v. United States, No. 20-382, 2021 WL 2044537 (U.S. May 24, 2021). This revives the potential for Guam to seek contribution from the U.S. Navy (“Navy”) for its share of a $160 million cleanup bill.

The decision is also a win for other parties whose CERCLA cost recovery actions might otherwise be torpedoed by a defendant’s stealthy defense that a non-CERCLA settlement previously entered into by the plaintiff settled its CERCLA liability and triggered the ability of a “must-use” section 113(f)[1] claim whose statute of limitations clock had expired. The Guam case is also a cautionary tale both for regulated entities incurring cleanup costs for which they will later seek cost recovery or contributions, and for entities potentially subject to such actions.

Background. The Navy built the Ordot Landfill on the island of Guam during World War II and used it for the disposal of munitions and toxic wastes for decades. The United States then unilaterally conveyed the contaminated site to Guam, which later used it for municipal waste disposal.

As built by the Navy, the landfill was unlined and uncapped such that rain and surface water would percolate through the landfill, pick up hazardous substances, and ultimately discharge to the Pacific Ocean.

After CERCLA’s enactment in 1980, Guam requested that the site be addressed under CERCLA, but the U.S. Environmental Protection Agency (“EPA”) decided that remedial action under CERCLA was “inappropriate” and “unnecessary,” and that the site would be better addressed through CWA enforcement.[2] Although EPA opted to address the site under the CWA, EPA could have proceeded under CERCLA based on the facts of the site and the requirements for CERCLA liability under section 107(a) (e.g., a “disposal” of CERCLA “hazardous substances”).[3]

In 2002, the United States (EPA) sued Guam under section 309 of the CWA, and the parties entered into a 2004 CWA consent decree requiring Guam to pay a penalty, design and install a cover, and close the landfill.[4] The United States’ (EPA’s) decision to address the site under the CWA and not CERCLA was beneficial to the United States (Navy) in that, although the United States can be a “potentially responsibility party” under CERCLA, Section 309 of the CWA does not authorize penalties against the United States for past conduct.[5]

Guam’s remediation of the Ordot Landfill began in 2013 and is ongoing, with total costs expected to exceed $160 million.

In 2017, Guam sued the United States under CERCLA section 107(a) seeking recovery of its remediation costs based on the Navy’s decades-long use of the dump for disposing of hazardous substances.

The United States moved to dismiss, arguing that the 2004 CWA consent decree — although not mentioning CERCLA once — triggered the availability of a CERCLA section 113(f)(3)(B) contribution claim.

Section 113(f)(3)(B) allows any party that has “resolved its liability to the United States or a State for some or all of a response action” in a “judicially approved settlement” to seek contribution from non-settling parties. The resolution of liability triggers the start of a three-year statute of limitations clock for that contribution claim.

The United States argued that, for Guam, the statute of limitations clock for its section 113(f) action began in 2004 and ended in 2007, leaving that claim time-barred. And because federal courts of appeals have uniformly found that a party having both a section 107(a) cost recovery claim and a section 113(f) contribution claim must use the latter avenue only,[6] Guam was required to bring the section 113(f) claim while it was still viable and could not bring the section 107(a) claim after the section 113(f) claim was time-barred.

The U.S. District Court for the District of Columbia sided with Guam.[7] The D.C. Circuit reversed, acknowledging that circuit courts are split on the issue,[8] but finding that section 113(f)(3)(B) “does not require a CERCLA-specific settlement” because another subsection of 113(f) does have CERCLA-specific language and therefore Congress, in not explicitly specifying CERCLA-specific liability in section 113(f)(3)(B), must have intended that broader liability could trigger the contribution action provided for therein.[9] The court then concluded that Guam’s 2004 CWA consent decree had resolved Guam’s liability for a CERCLA “response action” because Guam agreed to undertake actions that would qualify as CERCLA “response actions.”[10]

The U.S. Supreme Court’s Opinion. The questions before the Court were (1) whether a non-CERCLA settlement can trigger a contribution action under CERCLA section 113(f)(3)(B); and (2) whether a settlement that expressly disclaims any liability determination and leaves the settling party exposed to future liability can trigger a CERCLA section 113(f)(3)(B) contribution claim.

The Court decided the case by answering the first question, and so did not reach the second. Rather than agreeing with the D.C. Circuit’s negative inference based on the lack of explicit reference to CERCLA-specific liability in section 113(f)(3)(B), the Court interpreted that provision within the “interlocking language and structure” of the section “113(f) family of contribution provisions,” all of which focus on “contribution,” which is a “tool for apportioning the burdens of a predicate ‘common liability’ among the responsible parties.”[11] The Court concluded that the “most obvious place to look” for that common liability is “CERCLA’s reticulated statutory matrix of environmental duties and liabilities.”[12]

The Court thus concluded that a resolution of CERCLA-specific liability is required to trigger the availability of the contribution action under section 113(f)(3)(B), and noted that interpreting 113(f)(3)(B) “to authorize a contribution right for a host of environmental liabilities arising under other laws would stretch the statute beyond Congress’ actual language.”[13]

Implications and Takeaways. Beyond the rejoicing in Guam that must have followed the Court having saved the island from alone shouldering a $160 million cleanup bill, the case provides a new degree of clarity for CERCLA and broader lessons to be learned by regulated entities.

  • Parties will no longer have to guess at the often highly debatable and high-stakes question of whether a settlement under another statute actually triggers the availability of a CERCLA contribution action, which then becomes the party’s only viable CERCLA action and which has a shorter statute of limitations clock.
  • So, CERCLA and its claims are now totally separated from costs incurred based on liability under other statutes, right? Wrong. The Guam decision does not narrow the claims that may be brought under CERCLA section 107(a). Indeed, there will likely be more section 107(a) claims because the section 113(f)(3)(B) avenue just got narrower based on the decision. A party incurring cleanup costs voluntarily or under an order or consent decree under another statute, and which does not have a CERCLA section 113(f) claim, can still bring a claim against another party under section 107(a), so long as that latter party is liable under CERCLA per the section 107(a) requirements and the costs in question are “necessary” and NCP-consistent “response costs” within the meaning of section 107(a). Indeed, this is the claim that Guam can once again pursue against the United States, given the determination that its CWA consent decree did not, in fact, trigger the availability of a section 113(f)(3)(B) claim.
  • Plan ahead of time the particular legal avenues for future cost recovery, and be clear on the applicable statutory limitations periods for your claims.
  • If entering into a settlement or consent decree, consult counsel and be very careful and intentional with respect to what liability is being resolved and when. Be clear on what actions and statutory limitations clocks may be triggered by the settlement, and when.
  • Be aware, at the beginning of the process, of the cost recovery ramifications of the particular statutory regime that an enforcement agency is pursuing you under (or proposing to pursue you under), e.g., CWA versus CERCLA. Your up-front communications with the agency may channel the matter into a more favorable (for cost recovery) regime: e.g., CERCLA better than CWA where the United States is responsible for historical contamination.

Above all, despite the spotlight of clarity provided by the Guam case, CERCLA remains a murky, complex, and confusing terrain with plenty of expensive traps for the unwary. As one court put it, “[W]ading through CERCLA’s morass of statutory provisions can often seem as daunting as cleaning up one of the sites the statute is designed to cover.”[14]


[1] See 42 U.S.C. § 9613(f).
[3] See 42 U.S.C. § 9607(a).
[5] The CWA section 309 authority to issue penalties for past conduct is as to a “person,” and the statutory definition of “person” (section 502(5)) does not include the United States. See U.S. Dep’t of Energy v. Ohio, 503 U.S. 607, 624, 112 S. Ct. 1627, 1638, 118 L. Ed. 2d 255 (1992).
[6] See Whittaker Corp. v. United States, 825 F.3d 1002, 1007 (9th Cir. 2016); see id. at 1007 n.5 (collecting cases).
[7] Gov’t of Guam v. United States, 341 F. Supp. 3d 74 (D.D.C. 2018).
[8] See Refined Metals Corp. v. NL Indus. Inc., 937 F.3d 928, 932 (7th Cir. 2019) (Resource Conservation and Recovery Act (“RCRA”) and Clean Air Act settlement could form necessary predicate for CERCLA contribution action under section 113(f)(3)(B)); Asarco LLC v. Atl. Richfield Co., 866 F.3d 1108, 1120-21 (9th Cir. 2017) (same but RCRA-only settlement); Trinity Indus., Inc. v. Chi. Bridge & Iron Co., 735 F.3d 131, 136 (3d Cir. 2013) (consent order under Pennsylvania’s Hazardous Sites Cleanup Act and Land Recycling and Environmental Remediation Standards Act sufficed for triggering availability of CERCLA contribution claim based on state statutes’ similarities to, and references to, CERCLA). But see Consol. Edison Co. of N.Y. v. UGI Utils., Inc., 423 F.3d 90, 95-96 (2d Cir. 2005) (settlement of CERCLA-specific liability necessary before a party can maintain claim under section 113(f)(3)(B)).
[9] Gov’t of Guam v. United States, 950 F.3d 104, 114 (D.C. Cir. 2020).
[11] Territory of Guam v. United States, 2021 WL 2044537, at *3-4.
[14] Cadlerock Props. Joint Venture, L.P. v. Schilberg, No. 3:01CV896(MRK), 2005 WL 1683494, at *5 (D. Conn. July 19, 2005).

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