| Position | Gunma Pref. Agatsuma-gun Nakanojo-machi Shima, 3,456 |
| The bottom authorization date | On February 14, in Showa 55 (on February 12, 1980) |
| Processing area | 47ha |
| Processing population |
Four thousand six hundred people (Settlement population 1,020 people, sightseeing lodging 3,475 people, the sightseeing day trip 105 people) |
| Processing method | OD style (Oxidation ditch operation) |
| Drain elimination method | Branch stream ceremony |
| The processing quantity of water | 2,300m3/day |
| Release tip | First class river Shima River |
| The plan inflow water quality | BOD 200 mg/l, SS 180 mg/l |
| The plan release water quality | BOD 20 mg/l, SS 30 mg/l |
| Start day for the attendant | On March 25, in Showa 61 (on March 25, 1986) |
| Processing place outline | Site area 0.83ha |
| OD tank |
Reinforcing rod concrete width 5.0 m, effective the depth of 1.5 m, circumferences long 110.0 m, 2 ponds width 5.0 m, effective the depth of 2.5 m, circumferences long 80.0 m, 1 pond |
| Final deposit pond |
Reinforcing rod concrete Inside diameter 8.3 m, effective the depth of 2.5 m, 2 ponds Inside diameter 10.3 m, effective the depth of 3.5 m, 1 ponds |
| The sludge dehydrator | Belt press 1 unit |
| The control ridge |
Reinforcing rod concrete one-storied house (the sludge processing ridge) 延 floor space 493m3 |
| Pipe |
Total extension 13,210 m Hard polyvinyl chloride pipe 8,824 m, the steel tube 382 m, the Hume pipe 4,004 m, the manhole pump 8 place |
| Working expenses |
2,027,000 1000 yen (pipe 865,000 1000 yen, processing place 1,162,000 1000 yen) Inside subsidy (pipe 546,000 1000 yen, processing place 1,146,000 1000 yen) |
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