960 North Riverview, Mesa, AZ 85201 · Maricopa County · Publicly Owned Treatment Works
Northwest Water Reclamation Plant is a publicly owned wastewater treatment works in Mesa, Maricopa County, Arizona treating an average of 3.08 million gallons per day against a permitted design capacity of 18 MGD. It discharges under NPDES permit AZ0024627 (administratively continued), which expires in June 2024, with 0 recorded violations in the last three years.
One treatment structure or unit process identified at Northwest Water Reclamation Plant.
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See the full treatment train at Northwest Water Reclamation Plant: structures, unit processes and planned upgrades, with exact unit counts.
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Mesa's capital improvement plan lists 58 water, sewer and wastewater line items worth $1.5B starting 2023–2027. The largest budgeted items are shown here.
All water and sewer capital projects in Mesa →
| Project | Budget | Years |
|---|---|---|
| Central Mesa Reuse Pipeline Project | $222,052,779 | 2023–2029 |
| Signal Butte Water Treatment Plant Expansion | $207,752,360 | 2023–2029 |
| Advanced Metering Infrastructure (AMI) | $96,874,318 | 2023–2028 |
| Northwest WRP Major Plant Improvements | $85,752,021 | 2023–2029 |
| Sewer Line Replacement | $75,429,176 | 2023–2029 |
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.
1 verified contact for Northwest Water Reclamation Plant, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Northwest Water Reclamation Plant, plus the full compliance history and discharge data.
Mesa · 3 mi away
1.33 MGD
Phoenix · 11 mi away
0.24 MGD
Phoenix · 13 mi away
35.19 MGD
Gilbert · 14 mi away
1.08 MGD
Apache Junction · 19 mi away
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Tolleson · 21 mi away
83.69 MGD
Tolleson · 22 mi away
2.1 MGD
Cave Creek · 28 mi away
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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 19, 2026; facility record last updated March 26, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Ozonation · Activated sludge · all terms