AUCKLAND MUNICIPAL HANDBOOK
The scheme has been designed for an area of 18,900 acres with an estimated ultimate population of 280,000 persons on a basis of 210 gallons per capita per diem, or six times a dry-weather flow of 35 gallons.
At the inception of the Board twelve separate districts were incorporated in the Drainage District with a total area of 12,915 acres. Portion of another district, comprising 2,240 acres, was incorporated in 1915, making a total area of 15,155 acres. Seven of the original districts have since been amalgamated with Auckland City, and have consequently ceased to exist as separate districts under the jurisdiction of the Board. The areas of the several districts incorporated in the Drainage District as at March 31st, 1921, are as follows:—
| District | Acres. |
| Auckland City (including Domain) | 1,878 |
| Parnell, amalgamated Auckland City, Feb. 15, 1913 | 684 |
| Arch Hill, amalgamated Auckland City, April 1, 1913 | 154 |
| Grey Lynn, amalgamated Auckland City, July 1, 1914 | 900 |
| Remuera, amalgamated Auckland City, March 1, 1915 | 2,520 |
| Eden Terrace, amalgamated Auck. City, Oct. 1, 1915 | 95 |
| Epsom, amalgamated Auckland City, Feb. 1, 1917 | 860 |
| Pt. Chevalier, amalgamated Auck. City, Mar. 1, 1921 | 1,200 |
| Total area Auckland City | 8,291 |
| Mount Eden | 1,400 |
| Mount Albert | 2,450 |
| Newmarket | 169 |
| One Tree Hill (portion) | 605 |
| Avondale (portion), incorporated Nov. 4, 1915 | 2,240 |
| Total area Drainage District | 15,155 |
The further area of 3,045 acres provided for comprises an additional area of the One Tree Hill Road District, the Orakei Road District, and a portion of the Mount Roskill Road District. Negotiations have been commenced for the inclusion of the first-mentioned
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