New Hampton WWTP
800 S Locust Ave, New Hampton, IA 50659 · Chickasaw County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 3 MGD
- NPDES permit
- IA0028525
- Administratively continued
- Permit expires
- May 2024
- Population served
- 3,490
- CWNS 2022
New Hampton WWTP is a publicly owned wastewater treatment works in New Hampton, Chickasaw County, Iowa, serving about 3,490 residents. It discharges under NPDES permit IA0028525 (administratively continued), which expires in May 2024, with 61 recorded violations in the last three years.
Treatment technology
3 treatment structures and unit processes identified at New Hampton WWTP.
Available with a free Klarifi account
See the full treatment train at New Hampton WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 61
- Effluent violations
- 59
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Industrial users and pretreatment
Industries that discharge process wastewater to New Hampton WWTP, from the plant's pretreatment programme records.
- Industrial users
- 2
- on record
On record: Bay Valley Foods LLC (New Hampton); Tri-Mark Corporation (New Hampton). Most users are in automotive, metal and equipment manufacturing and food and beverage.
Unlock the details behind these industrial users
Discharge flow, federal category, source documents and contacts for every industrial user of New Hampton WWTP. Free with a Klarifi account.
Key contacts
1 verified contact for New Hampton WWTP, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at New Hampton WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Iowa
Fredericksburg · 7 mi away
1.7 MGD
Lawler · 9 mi away
—
Frederika · 12 mi away
—
Nashua · 13 mi away
0.22 MGD
Waucoma · 14 mi away
0.03 MGD
Elma · 15 mi away
0.08 MGD
Tripoli · 17 mi away
0.26 MGD
Protivin · 17 mi away
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New Hampton 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 February 2, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Equalization tank · Centrate · all terms