城山公苑

市町別し尿処理実績(平成12年度~令和元年度)

(単位:㍑)
年度 下  妻  市(旧千代川村含) 八  千  代  町 常  総  市 (旧石下町分) 合    計
し  尿 浄化槽汚泥 小  計 し  尿 浄化槽汚泥 小  計 し  尿 浄化槽汚泥 小  計 し  尿 浄化槽汚泥 小  計
H12 3,269,826 13,211,514 16,481,340 2,429,424 4,987,620 7,417,044 1,521,036 8,513,748 10,034,784 7,220,286 26,712,882 33,933,168
H13 3,086,460 13,310,316 16,396,776 2,149,254 5,604,228 7,753,482 1,285,470 8,898,336 10,183,806 6,521,184 27,812,880 34,334,064
H14 2,654,190 13,205,120 15,859,310 1,970,244 5,472,882 7,443,126 1,191,528 8,180,892 9,372,420 5,815,962 26,858,894 32,674,856
H15 2,497,698 13,197,024 15,694,722 1,815,948 5,698,512 7,514,460 1,141,632 8,638,632 9,780,264 5,455,278 27,534,168 32,989,446
H16 2,294,550 12,870,284 15,164,834 1,492,176 5,623,380 7,115,556 1,009,854 7,853,202 8,863,056 4,796,580 26,346,866 31,143,446
H17 2,252,234 13,036,284 15,288,518 1,373,334 5,525,352 6,898,686 920,772 7,474,446 8,395,218 4,546,340 26,036,082 30,582,422
H18 2,189,898 12,516,192 14,706,090 1,365,534 5,926,590 7,292,124 828,126 7,662,906 8,491,032 4,383,558 26,105,688 30,489,246
H19 1,969,614 12,093,714 14,063,328 1,331,784 5,642,910 6,974,694 656,424 7,494,444 8,150,868 3,957,822 25,231,068 29,188,890
H20 1,903,698 11,876,778 13,780,476 1,298,196 5,960,592 7,258,788 517,663 7,629,336 8,146,999 3,719,557 25,466,706 29,186,263
H21 1,593,450 12,358,170 13,951,620 1,179,144 5,894,658 7,073,802 475,416 7,441,974 7,917,390 3,248,010 25,694,802 28,942,812
H22 1,496,232 11,915,028 13,411,260 1,093,428 6,022,512 7,115,940 296,676 7,702,884 7,999,560 2,886,336 25,640,424 28,526,760
H23 1,273,788 12,212,352 13,486,140 1,158,606 6,264,666 7,423,272 222,354 7,623,432 7,845,786 2,654,748 26,100,450 28,755,198
H24 1,191,006 12,116,178 13,307,184 1,072,206 6,555,672 7,627,878 193,014 7,792,344 7,985,358 2,456,226 26,464,194 28,920,420
H25 1,145,034 12,257,964 13,402,998 976,050 6,597,342 7,573,392 229,986 7,934,688 8,164,674 2,351,070 26,789,994 29,141,064
H26 1,031,274 12,579,984 13,611,258 960,894 6,573,618 7,534,512 252,504 7,966,296 8,218,800 2,244,672 27,119,898 29,364,570
H27 996,462 12,088,134 13,084,596 994,122 6,600,852 7,594,974 260,658 8,211,204 8,471,862 2,251,242 26,900,190 29,151,432
H28 847,134 13,193,208 14,040,742 962,676 6,792,354 7,755,030 218,268 7,805,988 8,024,256 2,028,078 27,791,550 29,819,628
H29 876,546 13,396,464 14,273,010 864,702 6,471,900 7,336,602 199,764 7,343,640 7,543,404 1,941,012 27,212,004 29,153,016
H30 774.720 13,833,342 14,608,062 743,904 6,463,512 7,207,416 182,358 7,666,254 7,848,612 1,700,982 27,963,108 29,664,090
R 元 726.390 13,271,058 13,997,448 787,014 5,605,974 6,392,988 181,620 7,453,278 7,634,898 1,695,024 26,330,310 28,025,334

水質分析結果

放流水(令和元年度結果)  
  単位 平均値 最大値 最小値
pH 7.6 7.9 7.3
SS mg/L 1.3 1.6 <1
BOD mg/L <1 <1 <1
窒素含有量 mg/L 2.6 5.2 1.2
大腸菌群数 個/cm3 0 0 0
放流水(茨城県基準値)
pH SS BOD 窒素含有量 大腸菌群数
5.8~8.6 15以下 10以下 100以下 3,000以下

・pH水素イオン濃度
・SS水質汚濁の原因となる小粒状物質
・BOD生物化学的酸素要求量
   (水中の有機物が微生物で酸化分解されるときに必要な酸素量)
・窒素含有量無機性窒素及び有機性窒素の総量
・大腸菌群数グラム陰性、無芽肪の短かん菌で乳糖を分解しガスと酸を生成する好気性あるいは通性嫌気性菌

放射線各種濃度測定結果