Holland WWTP
Approx. 0.3 Miles South And 0., Holland, IA 50642 · Grundy County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 0.05 MGD
- NPDES permit
- IA0041254
- Effective
- Permit expires
- January 2031
- Population served
- 269
- CWNS 2022
Holland WWTP is a publicly owned wastewater treatment works in Holland, Grundy County, Iowa, serving about 269 residents. It discharges under NPDES permit IA0041254 (effective), which expires in January 2031, with 0 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Holland WWTP.
Available with a free Klarifi account
See the full treatment train at Holland WWTP: structures, unit processes and planned upgrades, with exact unit counts.
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.
Key contacts
1 verified contact for Holland WWTP, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Holland WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Iowa
Wellsburg · 8 mi away
0.08 MGD
Dike · 10 mi away
0.18 MGD
Dike · 10 mi away
—
Reinbeck · 11 mi away
0.35 MGD
Beaman · 12 mi away
—
Conrad · 12 mi away
0.07 MGD
Parkersburg · 13 mi away
0.21 MGD
Aplington · 14 mi away
0.13 MGD
Holland 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 October 26, 2026; facility record last updated June 29, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biosolids · Filter press · all terms