Chemung Co Sd#1 STP
1700 Lake St, Elmira, NY 14901 · Chemung County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 12.2 MGD
- NPDES permit
- NY0036986
- Administratively continued
- Permit expires
- September 2026
- Population served
- 40,364
- CWNS 2022
Chemung Co Sd#1 STP is a publicly owned wastewater treatment works in Elmira, Chemung County, New York, serving about 40,364 residents. It discharges under NPDES permit NY0036986 (administratively continued), which expires in September 2026, with 168 recorded violations in the last three years. EPA has recorded 3 formal enforcement actions naming the plant, the latest in May 2024.
Treatment technology
2 treatment structures and unit processes identified at Chemung Co Sd#1 STP.
Available with a free Klarifi account
See the full treatment train at Chemung Co Sd#1 STP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 168
- Effluent violations
- 156
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 Chemung Co Sd#1 STP in EPA's ICIS system.
- Formal actions
- 3
- 1 since FY2020
- Compliance actions
- $15M
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · May 2024
Chemung County
Administrative order · CWA, NPDES Discharge without a Permit · Unilateral Administrative Order Without Adjudication · Compliance actions $15M
EPA's description of the case:
“Administrative Order issued to address effluent exceedances and bring the facility into compliance with its NYSDEC SPDES Permit.”
Source: EPA ECHO, civil enforcement case 02-2024-3028.
Full case history with a free Klarifi account
Every action against Chemung Co Sd#1 STP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
12 verified contacts for Chemung Co Sd#1 STP, with validated emails and direct phone numbers.
Unlock 12 verified contacts (9 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Chemung Co Sd#1 STP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in New York
Corning · 11 mi away
0.11 MGD
Corning · 12 mi away
1.13 MGD
Chemung · 12 mi away
0.00061 MGD
Painted Post · 15 mi away
0.19 MGD
Painted Post · 15 mi away
0.8 MGD
Waverly · 17 mi away
0.44 MGD
Watkins Glen · 18 mi away
0.6 MGD
Nichols · 25 mi away
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Chemung Co Sd#1 STP: 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 March 2, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Significant industrial user · WWTP · all terms