In Nagapattinam Municipality whole town limit mostly covered water supply through more than two water supply schems from Vettar river source at Odachery, i.e Old and New Schemes. Water Supply distributed daily two hours.
Details of Water Supply Schemes
| Old Water Supply Schemes | |
| Source | Vettar river and TWAD (Kollidam CWSS) |
| Year of implementation | 1914 and 2008 |
| Location of Head Works | Odacherry and Kollidam |
| Size and length of pumping main | 15” CI Pipe 15 km, 600mm dia DI Pipe 65 Km |
| Number of Overhead tank | 13 |
| Overhead Tank capacity 5 Numbers | 73.00 lakhs liter |
| Motor running hours per day | 20 hours |
| Quantity of water distribution per day | 7.50 MLD (2.00 from Own Source + 5.50 from TWAD |
| Quantity of water distribution per Capita | 73 LPCD |
| Population Benefited | 102905 |
| Number of House Service Connections | 9049 |
| Frequency of Water Supply | 2 hrs daily |
| Length of distribution pipe | 115 Kms |
| Number of Hand Pump | 162 Nos. |
| Number of public fountains | 660 Nos. |
New Water Supply Scheme for Nagapattinam Municipality was taken up from 11 nos. of Deep Borewells and the work was executed by the TWAD Board at an estimate cost of 1140.00 lakhs. Out of 11 nos. of Borewells, now we got drinking water from 7 no. of borewells. Other borewells water are changed to salt water. The collected water is being pumped by 3 no. of pumping station situated at Kurukathi, Andipalayam and Soloman Park. The scheme has been handed over to this municipality for maintenance with effect from 1998.
| New Water Supply Schemes | |
| Year of implementation | 1998 |
| Estimate Cost of Scheme | 1140 lakhs |
| Location of Head Works | Kurukathi and Andipalayam |
| Size and length of pumping main | 16 Kms |
| Number of Overhead tank | 3 |
| Overhead Tank capacity 3 Numbers | 35.00 lakhs liter |
| Quantity of water distribution per day | 35 MLD |
| Quantity of water distribution per Capita | 67 LPCD |
Details of Head Work Station and Booster Station of Motors
| Location | Quantity in Number | Horse Power |
| Pumping Station : | ||
| Odachery | 1 | 40 |
| Kurukathi | 1 | 40 |
| Andipalayam | 1 | 20 |
| Soloman Park | 2 | 30 |
| Borewells : | ||
| Koothoor | 1 | 40 |
| Pattamangalam | 1 | 10 |
| Errvancherry | 1 | 12.50 |
| Radhanallur | 1 | 10 |
| Karuppor | 1 | 12.50 |
| Adiakkamangalam | 1 | 10 |
| Semangalam | 1 | 10 |