Chapter 17 – Environmental Protection
parties, challenged the permit before the EPA alleging, among other things, that the discharge
violated Oklahoma water quality standards, which allow no degradation of water quality in the
upper Illinois River. The EPA’s Chief Judicial Officer remanded the initial affirmance of the
permit by the administrative law judge (ALJ), ruling the Act requires an NPDEA permit to
impose any effluent limitations necessary to comply with applicable state water quality
standards, and that those standards would be violated only if the record shows by a
preponderance of the evidence that the discharge would cause an actual detectable violation
of Oklahoma’s waster quality standards. The ALJ then made detailed findings of fact,
concluding the Fayetteville had satisfied the Chief Judicial Officer’s standard; and the Chief
Judicial Officer sustained the permit’s issuance. The Court of Appeals reversed, ruling that the
Act does not allow a permit to be issued where a proposed source would discharge effluent
that would contribute to conditions currently constituting a violation of applicable water quality
standards. It concluded that the Illinois River was already degraded, that the Fayetteville
effluent would reach the river in Oklahoma, and that the effluent would contribute to the river’s
deterioration even though it would not detectably affect the river’s water quality.
The Supreme Court held that the EPA’s action was authorized by the Clean Water Act.
1. Where interstate discharge is involved, both federal common law of nuisance and an
affected State’s common law are preempted. Affected states may not block a permit, but
must apply to the EPA Administrator, who may disapprove a plan if he concludes that the
discharge will have an undue impact on interstate waters.
2. The EPA has construed the Act as requiring that EPA-issued permits comply with the
requirements for a permit issued under an approved state plan and with the Act, which
appears to prohibit the issuance of a federal permit over the objection of an affected State
unless compliance with the affected State’s water quality requirements can be insured.
3. The EPA’s requirement that the Fayetteville discharge comply with Oklahoma’s water
quality standards is a reasonable exercise of the substantial statutory discretion
Congress has vested in the Agency. There is no need to address the question whether
the Act requires compliance with affected States’ standards, for it clearly does not limit the
EPA’s authority to mandate such compliance. EPA regulations, which since 1973 have
required that an NPDES permit not be issued when compliance with affected States’
water quality standards cannot be insured, are a reasonable exercise of the Agency’s
discretion and are a well-tailored means for reaching the Act’s goal of achieving state
water quality standards.
4. Contrary to the Court of Appeals’ interpretation, nothing in the Act mandates a complete
ban on discharges into a waterway that is in violation of existing pollution standards.
5. The Court of Appeals exceeded the legitimate scope of judicial review of an agency
adjudication when it invalidated the EPA’s issuance of the permit on the ground that the
Agency misinterpreted Oklahoma’s water quality standards. It substituted its own reading
of the law for the EPA’s. Thus, it failed to give substantial deference to the EPA. It also
disregarded well-established standards for reviewing actual findings of agencies by
making its own factual findings when the ALJ’s findings were supported by substantial
evidence. As a result, the court’s conclusion that the river’s degradation was an important
and relevant factor which the EPA failed to consider was based on its own erroneous
interpretation of the controlling law. Had it been properly respectful of the EPA’s
permissible reading of the Act—that what matters is not the river’s current status, but
whether the proposed discharge will have a detectable effect on that status—it would not
have adjudged the Agency’s decision arbitrary and capricious.
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