Huntley - West WWTP
Huntley, IL · Mchenry County · Publicly Owned Treatment Works
- Average flow
- 0.69 MGD
- Design flow
- —
- NPDES permit
- ILL070688
- Effective
- Permit expires
- December 2030
- Population served
- 13,628
- CWNS 2022
Huntley - West WWTP is a publicly owned wastewater treatment works in Huntley, Mchenry County, Illinois treating an average of 0.69 million gallons per day, serving about 13,628 residents. Treatment on site includes carrousels / oxidation ditches, biogas balloons. It discharges under NPDES permit ILL070688 (effective), which expires in December 2030, with 0 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 0
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in Huntley
Huntley's capital improvement plan lists 59 water, sewer and wastewater line items worth $13M starting 2025–2029. The largest budgeted items are shown here.
All water and sewer capital projects in Huntley →
| Project | Budget | Years |
|---|---|---|
| East and West WWTP Upgrades | $2,500,000 | 2026–2026 |
| Water Well #13 Water Treatment Plant | $1,897,005 | 2025–2025 |
| MXU and Water Meter Replacement Program | $1,500,000 | 2025–2029 |
| Water Main Replacement Program | $1,095,000 | 2026–2029 |
| Pull and Service Well Pumps | $950,000 | 2026–2029 |
Full project details — scope, funding source, engineering consultant and the decision-makers behind each project — are available in Klarifi, along with similar wastewater capital projects in other cities.
Key contacts
14 verified contacts for Huntley - West WWTP, with validated emails and direct phone numbers.
Unlock 14 verified contacts (11 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Huntley - West WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Illinois
Huntley · 1 mi away
0.82 MGD
Lakewood · 5 mi away
0.29 MGD
Pingree Grove · 6 mi away
0.66 MGD
Lake In The Hills · 7 mi away
2.19 MGD
Algonquin · 8 mi away
2.3 MGD
Woodstock · 9 mi away
1.07 MGD
Crystal Lake · 9 mi away
0.43 MGD
East Dundee · 10 mi away
0.81 MGD
Huntley - West WWTP: 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 September 11, 2026; facility record last updated March 9, 2025.