{"schema":"gaia.maumee_source_catalog.v1","review_status":"CURATED_PRIMARY_SOURCES_NOT_SITE_VALIDATION","scope":"MAUMEE_WATERSHED_STUDY_CONTEXT","sources":[{"id":"EPA_TARGETS","url":"https://www.epa.gov/glwqa/about-nutrients-annex-annex-4","publisher":"US_EPA","type":"POLICY_TARGET","candidate_ids":["NUTRIENT_MANAGEMENT","RIPARIAN_BUFFER","CONSTRUCTED_WETLAND"],"fact":"The 2016 US-Canada nutrient annex sets a 40% spring total and soluble reactive phosphorus reduction target for the Maumee River.","limitations":["Regional policy target, not a site measurement or source-specific causal attribution"]},{"id":"EPA_PRIORITY_TRIBUTARIES","url":"https://www.epa.gov/glwqa/us-priority-tributaries","publisher":"US_EPA","type":"WATERSHED_MONITORING_CONTEXT","candidate_ids":["NUTRIENT_MANAGEMENT","RIPARIAN_BUFFER","CONSTRUCTED_WETLAND"],"fact":"EPA summarizes target attainment for spring soluble phosphorus and annual total phosphorus in priority tributaries.","limitations":["Historic watershed aggregation, not a station-specific or project-level treatment-effect estimate"]},{"id":"NRCS_BUFFER_391","url":"https://nrcs-prod.azureedge.us/resources/guides-and-instructions/riparian-forest-buffer-ac-391-conservation-practice-standard","publisher":"USDA_NRCS","type":"PRACTICE_STANDARD","candidate_ids":["RIPARIAN_BUFFER"],"fact":"NRCS maintains conservation practice standard 391 for riparian forest buffers.","limitations":["National standard is not a site-specific design; consult local Field Office Technical Guide"]},{"id":"NRCS_WETLAND_656","url":"https://www.nrcs.usda.gov/resources/guides-and-instructions/constructed-wetland-ac-656-conservation-practice-standard","publisher":"USDA_NRCS","type":"PRACTICE_STANDARD","candidate_ids":["CONSTRUCTED_WETLAND"],"fact":"NRCS maintains conservation practice standard 656 for constructed wetlands.","limitations":["National standard is not a site-specific design or nutrient-removal estimate"]},{"id":"NRCS_OHIO_PAYMENT","url":"https://www.nrcs.usda.gov/state-offices/ohio/payment-schedule","publisher":"USDA_NRCS","type":"PAYMENT_SCHEDULE_INDEX","candidate_ids":["NUTRIENT_MANAGEMENT","RIPARIAN_BUFFER","CONSTRUCTED_WETLAND"],"fact":"Ohio NRCS publishes periodically revised financial assistance payment schedules by practice.","limitations":["Assistance payment is not total installed cost, investor cashflow, or a guaranteed award","Fiscal year, scenario and unit must be fixed before numeric comparisons"]},{"id":"NRCS_OHIO_SCENARIOS_FY2025","url":"https://www.nrcs.usda.gov/sites/default/files/2024-11/fy25-oh-scenarios.pdf","publisher":"USDA_NRCS","type":"COST_SCENARIOS","candidate_ids":["RIPARIAN_BUFFER"],"fact":"Ohio FY2025 scenarios include E391C riparian forest buffer width enhancement with total cost per acre; this is a scenario, not an estimate for a Maumee project.","limitations":["Scenario cost does not equal site quotation","Enhancement E391C is not universally comparable to initial buffer establishment","Do not extrapolate to watershed total"]},{"id":"H2OHIO_WETLANDS","url":"https://ohiodnr.gov/discover-and-learn/safety-conservation/about-ODNR/water-resources/h2ohio","publisher":"OHIO_DNR","type":"PROGRAM_CONTEXT","candidate_ids":["RIPARIAN_BUFFER","CONSTRUCTED_WETLAND"],"fact":"Ohio's H2Ohio initiatives include wetland and riparian restoration and describe program funding.","limitations":["Program-level activity not proof of eligibility, funding availability or achieved project-level outcome"]},{"id":"OHIO_EPA_SWIF","url":"https://epa.ohio.gov/get-funding","publisher":"OHIO_EPA","type":"FUNDING_PROGRAM","candidate_ids":["RIPARIAN_BUFFER","CONSTRUCTED_WETLAND","NUTRIENT_MANAGEMENT"],"fact":"Ohio EPA describes its Surface Water Improvement Fund, including eligible categories and applicant types.","limitations":["Eligibility and current application status require grant-specific review","Grant funding does not imply investor ROI"]}],"numeric_project_costs":[],"validated_project_effectiveness":[],"validated_investor_cashflows":[],"decision_authorized":false}