NPDES facility
YAMPA WWTF
NPDES ID COG591185 | Routt County, Routt, CO
Summary
Chlorine, total residual (4); BOD, 5-day, percent removal (1); Nitrogen, ammonia total [as N] (1); Solids, suspended percent removal (1)
PEAK Detail
Repeated NPDES issues (7 in last 2 years); evaluate lift stations, controls, pumping reliability, and reporting workflow.
County Fit
- Rating: Great Target
- Why: Inside the active county. Aligned to the active region. Closest base Grand Junction, CO (128 mi)
- Closest Base: Grand Junction, CO | 128 mi
Facility Profile
- MWD
Partner Network
County only
- Engineers: JVA Consulting Engineers; SGM; Triunity Engineering
- Contractors: ASCO Construction; Advanced Concrete Lifting; All Demolition Excavating Company
Recent Issues
- 2026-02-28 | Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | Days late 0
- 2025-10-31 | Chlorine, total residual | DMR, Limited - Numeric Violation | Days late 0
- 2025-10-31 | Chlorine, total residual | DMR, Limited - Numeric Violation | Days late 0
- 2025-10-31 | Solids, suspended percent removal | DMR, Limited - Numeric Violation | Days late 0
- 2025-10-31 | BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | Days late 0
- 2025-09-30 | Chlorine, total residual | DMR, Limited - Numeric Violation | Days late 2
- 2025-09-30 | Chlorine, total residual | DMR, Limited - Numeric Violation | Days late 2
Supporting Notes
- Exceedence summary: max 67.0%; avg 50.1%
Source Evidence
- Name: EPA ECHO NPDES
- Type: Regulatory Dataset
- Date: 2026-02-28
- Confidence: High
- Source Key: COG591185
- Chlorine, total residual (4); BOD, 5-day, percent removal (1); Nitrogen, ammonia total [as N] (1); Solids, suspended percent removal (1)
- Source Link: https://echo.epa.gov/detailed-facility-report?fid=COG591185