32 REPORT OF THE KING INSTITUTE, GUINDY
TABLE XV—cont.
Municipalities—cont.
| No. | Source. | Dates of examination and results. | Remarks on supply. | |
| 16 | Kodaikanal | 30 Apr. 1926 | 14 Oct. 1926. | Good. Slight deterioration in one of the distribution mains. |
| Upland sur, water | >60 c.c. | 20 c.c. | ||
| Dy. system 1 | 60 c.c. | 60 c.c. | ||
| Do. 2 | 60 c.c. | 10 c.c. | ||
| 17 | Kumbakonam | 24 June 1926 | 14 Dec. 1926. | Excellent. (Vide report regarding the high free ammonia content.) |
| Borehole | >60 c.c. | >60 c.c. | ||
| Dy.system | >60 c.c. | >60 c.c. | ||
| 18 | Kurnool | 27 May 1926 | 15 Nov. 1926 | Indifferent and variable. Filters are not acting uniformly well. Deterio- ration occurs in distribution. The practice of mixing raw and filtered water is reported to have been discontinued after June 1926. |
| Storage tank | 0.1 c.c. | 1 c.c. | ||
| F, water . | 20 c.c. | 10 c.c. | ||
| Dy. system 1 | 5 c.c. | 10 c.c. | ||
| Do. 2 | 1 c.c. | 10 c.c. | ||
| 19 | Madras Corporation | 2 Aug. 1926 | 17 Jan. 1927. | Filtered water indifferent. Supply as a whole continues to be bad, as a result of mixing unfiltered with filtered water. Chlorination of the raw water is being practised at the Red Hills end of the conduit. Its beneficial effect. is not manifest at the final service ends where the supply is still often inferior to the lake water in general qualities. |
| Red Hills lake | 20 c.c. | 20 c.c. | ||
| Cholorinated water | ... | >60 c.c. | ||
| End of conduit | 5 c.c. | 20 c.c. | ||
| Filtered water | >60 c.c. | 5 c.c. | ||
| Test tap | 60 c.c. | 5 c.c. | ||
| Dy. system 1 | 5 c.c. | 10 c.c. | ||
| Do. 2 | 10 c.c. | 10 c.c. | ||
| Do. 3 | 20 c.c. | 10 c.c. | ||
| 20 | Madura | 16 Apr. 1926 | 2 Nov. 1926. | Variable. Chlorination being practised. Kochadai gallery water which was uniformly good in the past even with- out chlorination shows deterioration. (See report.) |
| Shallow springs or river water. |
0.1 c.c. | 0.01 c.c. | ||
| Gallery at Kochadai | 5 c.c. | >60 c.c. | ||
| Gallery at Arapalaiyam | >60 c.c. | 60 c.c. | ||
| Dy. system | 5 c.c. | 60 c.c. | ||
| 21 | Masulipatam | 28 Aug. 1926 | 24 Feb. 1927. | Variable. Good at the first examina- tion and bad at the second. |
| Storage tank | 1 c.c. | 1 c.c. | ||
| F. water (mechl.) | 20 c.c. | 1 c.c . | ||
| Dy. system | 60 c.c. | 5 c.c. | ||
| 22 | Negapatam | 1 Sep. 1926 | 1 Feb. 1927. | Indifferent and variable. |
| River water . | 0.01 c.c. | ... | ||
| Infn. gallery | 5 c.c. | 5 c.c. | ||
| Dy. system 1 | 5 c.c. | 5 c.c. | ||
| Do. 2 | 1 c.c. | 1c.c. | ||
| 23 | Nellore | 27 Aug. 1926 | 14 Feb. 1927. | Excellent. Continues to maintain its high level of purity for several years. Sample from collecting well shows high figures for free ammonia. See report. |
| River water | ... | ... | ||
| Infn. gallery | 60 c.c. | >60 c.c. | ||
| Dy. system 1 | 60 c.c. | 60 c.c. | ||
| Do. 2 | >60 c.c. | 60 c.c. | ||
| 24 | Ootacamund | 22 Sep. 1926 | 1 Mar. 1927. | Variable. Indifferent at the first examination owing to the incessant rainfall and excellent at the second examination. |
| D. Upper . | 5 c.c. | 60 c.o. | ||
| D. Lower | 5 c.c. | >60 c.c. | ||
| D. Pipe line | 5 c.c. | >60 c.c. | ||
| Tiger Hill | 5 c.c. | 60 c.c. | ||
| Pipe line | 10 c.c. | >60 c.c. | ||
| Marlimund | 10 c.c. | >60 c.c. | ||
| Pipe line | >60 c.o. | >60 c.c. | ||
| Kodapamund | 5 c.c. | >60 c.c. | ||
| Pipe line | 10 c.c. | 60 c.c. | ||
| Old Ooty | 10 c.c. | >60 c.c. | ||
| Pipe line | 10 c.c. | |||
| Government House supply | >60 c.c. | >60 c.c. | Excellent. | |
| 25 | Periyakulam | 23 July 1926 | 12 Nov. 1926. | Poor. Filtration continues to be defective. |
| Raw water | 1 c.c. | 1 c.c. | ||
| F. water | 10 c.c. | 5 c.c. | ||
| Dy. system | 10 c.c. | 5 c.c. | ||
| 26 | Rameswaram | 23 Sep. 1926 | 15 Mar. 1927. | Excellent |
| Infn. wells | 20 c.c. | >60 c.c. | ||
| S.R. | 20 c.c. | >60 c.c. | ||
| Dy. system | 10 c.c. | >60 c.c. | ||
| 27 |
Salem | 17 Apr. 1926 | 21 Oct. 1926. | Variable in spite of systematic chlori- nation. |
| Tank water trench | 1 c.c. | 0.1 c.c. | ||
| F. water | >60 c.c. | >60 c.c. | ||
| Dy. system | >60 c.c. | 10 c.c. | ||
| Arisipalaiyam tank | 1 c.c. | 5 c.c. | ||
| Chlorinated water | ... | >60 c.c. | ||