Emerald Green-Lake Louise Marie S&w Dist
Lake Louise Marie Rd, Thompson, NY 12775 · Sullivan County · Publicly Owned Treatment Works
- Average flow
- 0.23 MGD
- Design flow
- 0.41 MGD
- NPDES permit
- NY0035645
- Effective
- Permit expires
- August 2029
- Population served
- 2,400
- CWNS 2022
Emerald Green-Lake Louise Marie S&w Dist is a publicly owned wastewater treatment plant in Thompson, Sullivan County, New York treating an average of 0.23 million gallons per day against a permitted design capacity of 0.41 MGD, serving about 2,400 residents. It discharges under NPDES permit NY0035645 (effective), which expires in August 2029, with 52 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in December 2008.
Treatment technology
Treatment structures and unit processes at Emerald Green-Lake Louise Marie S&w Dist.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 52
- Effluent violations
- 50
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for Emerald Green-Lake Louise Marie S&w Dist in EPA's ICIS system.
- Formal actions
- 1
- 0 since FY2020
- Compliance actions
- $500
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · Dec 2008
Emerald Green Lake Louise Marie Water System et al.
Administrative order · SDWA, National Drinking Water Regulations · Unilateral Administrative Order Without Adjudication · Compliance actions $500
EPA's description of the case:
“System failed to submit a standard monitoring plan, system specific study plan, or 40/30 certification as required by the Initial Distribution system Evaluation requirements of the Stage 2 DBPR by…”
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Source: EPA ECHO, civil enforcement case 02-2009-8038.
Full case history with a free Klarifi account
Every action against Emerald Green-Lake Louise Marie S&w Dist with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
Decision-makers at Emerald Green-Lake Louise Marie S&w Dist.
No verified contacts on file yet
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Nearby wastewater treatment plants in New York
Monticello · 5 mi away
0.02 MGD
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1.37 MGD
Monticello · 5 mi away
0.33 MGD
Woodridge · 6 mi away
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South Fallsburg · 7 mi away
1.66 MGD
Monticello · 7 mi away
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Monticello · 9 mi away
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Loch Sheldrake · 11 mi away
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Emerald Green-Lake Louise Marie S&w Dist: frequently asked questions
Sources and methodology
Flow, permit and violation figures come from the EPA's ICIS-NPDES discharge monitoring records. Population served comes from the Clean Watersheds Needs Survey 2022. Treatment structures are identified by Klarifi's review of aerial imagery, and capital improvement projects are extracted from published municipal budget documents. Violations are counted over the last three years of monitoring reports.
Data refreshed October 26, 2026; facility record last updated September 12, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Sludge dewatering · Biological nutrient removal · all terms