Parkandabad 2 Wastewater Treatment Plant
Wastewater treatment + reuse, 100,000 m3/day in two extended-aeration activated sludge modules of 50,000 m3/day, serving 800,000 people; the original Parkandabad stabilisation pond plant on the same site treats 60,000 m3/day in Iran.
The record
- Country
- Iran
- Location
- Mashhad
- Coordinates
- 36.400, 59.570
- Technology
- Wastewater treatment + reuse
- Capacity
- 100,000 m3/day in two extended-aeration activated sludge modules of 50,000 m3/day, serving 800,000 people; the original Parkandabad stabilisation pond plant on the same site treats 60,000 m3/day
- Capital cost
- —
- Stage
- Under construction
- Owner or client
- Mashhad Water and Wastewater Company
- Contractor
- —
- Operator
- Mashhad Water and Wastewater Company
- Finance
- Government of Iran with a 1,200 billion rial bank loan drawn in mid-2022
- Award or start year
- 2016
- Commissioned
- —
Record last checked 2026-09-20.
History
- 2006
the original Parkandabad stabilisation pond plant enters service at 60,000 m3/day (Iranian year 1385)
- 2014
an upgrade to lift site capacity to 200,000 m3/day is placed on the company's agenda (1393)
- 2016
construction of the extended-aeration plant begins at the Parkandabad 2 site (1395)
- 2018
work stops for want of bank credit and on the currency depreciation (1397)
- 2022-05
a 1,200 billion rial bank loan restarts the work (Khordad 1401)
- 2023-09
module 1 of 50,000 m3/day reaches 90 per cent physical progress
- 2025-01
the utility reports module 2 still under construction and expected in service the following year if funds allow
Sources
4 references
Every field in the record above is taken from the references below. A field that none of them confirms prints as a dash.
- Mehr News Agency, Threefold increase in wastewater treatment capacity at the Parkandabad plant, 25 September 2023 (Persian). mehrnews.com.
- Interview with Hossein Esmailian, managing director of the Mashhad Water and Wastewater Company: the original plant in north-west Mashhad entered service in 1385 at 60,000 m3/day using stabilisation ponds; in 1393 an upgrade to lift site capacity to 200,000 m3/day was placed on the company's agenda and in 1395 construction of an extended-aeration activated sludge plant began at the Parkandabad 2 site; work stopped in 1397 for want of bank credit and on the currency depreciation and restarted after a 1,200 billion rial bank loan in Khordad of the previous year; module 1 of 50,000 m3/day stood at 90 per cent progress and module 2 of the same capacity was planned for 1403; the two modules together give 100,000 m3/day serving 800,000 people, with effluent to surface-water discharge standard for industrial and agricultural use; over 5,000 billion rials had been spent in the preceding year.
- Shahrara News, citing IRNA, Mashhad water utility says faster plant construction needs more varied financing, 23 January 2025 (Persian). shahraranews.ir.
- MENA Water Review major projects register and PPP pipeline — compiled from procurer publications, development-bank project pages and trade reporting; each record names its source.
The same managing director says the second stage of Parkandabad 2 at 50,000 m3/day is under construction and would enter service the following year if funds are provided; that 317,000 m3/day of treatment capacity must be built for Mashhad by the 1420 horizon, against physical progress of about 47 per cent; that a Khin Arab plant of 125,000 m3/day is being pursued; and that the collection network is 85 per cent complete. Coordinates added on 20 September 2026, approximate. OpenStreetMap way 865984520, named تصفیه خانه فاضلاب شماره ۱ مشهد, Mashhad wastewater treatment plant number one, lies at 36.3974 59.5707, beside the Parkandabad village node at 36.4030 59.5553. Reverse geocoding returns the Tus rural district in the central district of Mashhad, Razavi Khorasan. The second plant shares the site but is not separately mapped, so the pin is given to two decimals and stands for the Parkandabad works.