Public Health Engineering Department was bifurcated from the erstwhile PWD and became a fully fledged Department in 1974. As per the Rules of Executive Business, the PHED is responsible for providing safe and potable drinking water supply, safe disposal of solid and liquid waste and environmental hygiene.
Status of Household Tap Connection (as on date)
| District | Total Households | Households with Tap Water Supply | Households with Tap Water Supply (%) | |
|---|---|---|---|---|
| Kiphire | 14991 | 11808 | 78.77 | |
| Wokha | 24848 | 18887 | 76.01 | |
| Phek | 32940 | 19056 | 57.85 | |
| Kohima | 42125 | 23509 | 55.81 | |
| Zunheboto | 33350 | 21183 | 63.52 | |
| Tuensang | 33702 | 19627 | 58.24 | |
| Mokokchung | 38022 | 23761 | 62.49 | |
| Longleng | 12463 | 8945 | 71.77 | |
| Mon | 56331 | 32738 | 58.12 | |
| Peren | 20495 | 11905 | 58.09 | |
| Dimapur | 56734 | 28735 | 50.65 | |
| Total | 366001 | 220154 | 60.15 |