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City of Mansfield Water Treatment Plant

Existing Well Supply History

Maxwell Station - Located about four miles southwest from the center of the City in the Clear Fork drainage basin. The source of supply was derived from a series of seven active wells located southerly of the station. These wells are known as: Maxwell Station Wells (2); John Griebling Well; Hershey Well; Castor Well Markley Well; and the Brumenschenkel Well. The wells discharged into low service force mains which in turn discharged into a 40,000 gallon wet well at the station. High service pumps took suction from the wet well and discharged to a six million gallon ground storage reservoir located on Woodland Road, in the southwest corner of the City.

The report, completed by Gascoigne and Associates, recommended that both the North Main Street Station and the Hedges Station be abandoned and that further development be concentrated at the Maxwell site. It was also recommended that the abandoned supplies be reserved for industrial development within the Rocky Fork Valley. In addition, a 150,000 gallon elevated storage tank was proposed for the Woodland Avenue area to establish a high pressure zone for this rapidly developing section of the City.

In 1944, the "Treisch Well" was developed, followed in 1947 by the "Wiles Well". In 1945, a report was prepared for the City by The Jennings-Lawrence Company recommending that a supplemental surface water supply be developed utilizing a portion of the Clear Fork Valley as an impounding reservoir. It was also recommended that a water treatment plant be constructed to treat this supply source, including the necessary pumping facilities to convey the treated water to the City. It was planned that this source would supplement the well supply of the Clear Fork Valley, which had reached the point where additional wells would damage other water users in the Valley. This project was placed under construction in 1947, with the reservoir being completed in 1949 and the water treatment plant in 1953. An additional clear water reservoir and high service station, at the water treatment plant site, were planned in 1958 and placed in operation in 1959. The proposed method of operation was revised to utilize the water treatment plant at all times to its design capacity, supplementing this source with well supply when the demand exceeded the plant capacity.

In 1967, as a result of recommendations in a 1965 report, the water treatment plant was expanded to twice its original nominal design capacity. This improvement was closely followed by the construction of a duplicate six million gallon ground storage reservoir adjacent to the original structure on Woodland Road.

Further improvements were made to the water treatment plant in 1969, when the original rapid sand filters were modernized to be compatible with the new units.

The method of operation remains the same. The water treatment plant is utilized at all times to its design capacity, supplemented by the well supply if necessary,

Over the years numerous wells have been drilled in quest for adequate water supply for the City. Many have been abandoned for various reasons and today, ten have been placed into service as needed. It has not been possible to obtain the latest, up-to-date information regarding all ten wells, however what information is available is shown in Table 3:

TABLE 3
EXISTING WELL DATA
*


Well Date Developed Depth Ft. Dia. In. Discharge MGD Static Level-Ft. Down Ft. Recovery Min.
Maxwell North 1919 156 16 2.462 12 4 30
Maxwell South II Unk. 156 16 1.849 11.6 7.4 30
Maxwell South I 1919 143 8 0.992 13 2 45
Griebling 1926 129 12 0.576 10 Unk. Unk.
Hershey 1926 140 12 0.792 16 11 35
Castor 1926 245 12 0.997 12 30 Unk.
Brumenschenkel I 1937 72 20 2.140 20.6 6.4 25
Brumenschenkel II Unk. 72 20 3.099 18 12 30
Treisch 1944 120 20 1.95 35 16 60
Wiles 1947 178 16 1.613 23 92 30

* Data obtained from 1998 report.