Location
The Municipality of Santa Maria is classified as a 1st-class highly urbanized municipality in the province of Bulacan, Region III, Philippines.
Santa Maria is situated in the eastern part of the province of Bulacan, about 18 kilometers east of the city of Malolos, the provincial capital, and 32 kilometers northeast of Manila. It is bounded on the north by the municipalities of Angat and Pandi; a portion of San Jose del Monte City on the south; Norzagaray and other portions of San Jose del Monte on the east; and the municipalities of Marilao and Bocaue on the western side. Its geographical coordinates are 14° 49′ 15″ North, 120° 57′ 49″ East.
Service Area Coverage
The present service area of SMWD covers all of the twenty-four barangays (24) of the municipality of Santa Maria:
1. Bagbaguin
2. Balasing
3. Buenavista
4. Bulac
5. Camangyanan
6. Catmon
7. Caypombo
8. Caysio
9. Guyong
10. Lalakhan
11. Mag-asawang Sapa
12. Mahabang Parang
13. Manggahan
14. Parada
15. Poblacion
16. Pulong Buhangin
17. San Gabriel
18. San Jose Patag
19. San Vicente
20. Silangan
21. Sta. Clara
22. Sta. Cruz
23. Sto. Tomas
24. Tumana
In addition, SMWD is also serving three (3) barangays outside the municipality of Santa Maria namely:
- Pulong Yantok (Angat)
- Sta. Rosa II (Marilao)
- Prenza 1 (Marilao)
Water Sources
SMWD derives its water supply from twenty-two (22) production wells located in various site within the The Santa Maria Water District derives its water supply from the groundwater through twenty-three (23) production wells located in various site within the WD service area. Water from these deep-wells is pumped to the distribution system. SMWD has eight (8) reservoirs with a combined capacity of 3,873 cu. m. or 1,023,138.36 gallons (concrete tank (Gulod: 272 cu. m.); overhead tank (Sta. Clara: 111 cu. m.; Garden Village: 200 cu. m.; Glendale: 90 cu. m.; Sonoma: 200 cu. m.); glass-fused-steel-bolted tank (Guyong: 1000 cu. m.; San Jose Patag: 1000 cu. m.; and Manggahan: 1000 cu. m.). The total existing distribution pipelines for the year 2023 are at 246,830.51 LM and the combined production capacity of these operational production wells is about 320.47 lps (27,688 cum/day). During dry season, the yield of almost all of the wells decline by about 10% to 15% of their usual yield capacities.
The twenty-three (23) production wells, and their average discharge capacity and corresponding motor are the following:
| Pumping Station | Discharge Capacity (Lps) | Motor (Hp) |
| 1. Gulod PS/ Poblacion | 5.41 Lps | 25 Hp |
| 2. Celeste PS/ Guyong | 7.63 Lps | 30 Hp |
| 3. Sta. Clara PS/ Sta. Clara | 7.74 Lps | 30 Hp |
| 4. Sacred Heart PS/ Poblacion | 7.06 Lps | 30 Hp |
| 5. Santo Tomas PS/ Sto. Tomas | 5.22 Lps | 25 Hp |
| 6. Sitio Bato PS/ Guyong | 10.58 Lps | 30 Hp |
| 7. Villarica PS/ Poblacion | 4.43 Lps | 30 Hp |
| 8. Green Valley PS/ Pulong Buhangin | 13.93 Lps | 30 Hp |
| 9. Garden PS/ Pulong Buhangin | 8.23 Lps | 30 Hp |
| 10. Santa Cruz PS/ Sta. Cruz | 7.91 Lps | 30 Hp |
| 11. Mahabang Parang PS/ Mahabang Parang | 9.13 Lps | 30 Hp |
| 12. Kalye Munti PS/ Catmon | 13.31 Lps | 30 Hp |
| 13. Caybanban PS/ Parada | 6.13 Lps | 25 Hp |
| 14. San Jose Patag PS/ Patag | 8.58 Lps | 30 Hp |
| 15. Labanos PS/ Tumana | 4.76 Lps | 30 Hp |
| 16. Caysio PS/ Caysio | 5.44 Lps | 30 Hp |
| 17. Kamatis PS/ Tumana | 6.85 Lps | 25 Hp |
| 18. Camangyanan PS/ Camangyanan | 7.77 Lps | 30 Hp |
| 19. Pulang Lupa PS/ Catmon | 11.53 Lps | 30 Hp |
| 20. Manggahan PS/ Manggahan | 18.79 Lps | 30 Hp |
| 21. Policarpio PS/ Parada | 9.99 Lps | 30 Hp |
| 22. Sonoma PS 1/ Sta. Cruz | 8.89 Lps | 25 Hp |
| 23. Sonoma PS 1/ Sta. Cruz | 8.89 Lps | 25 Hp |
| TOTAL | 197.59 Lps |
SMWD derives additional water supply from surface water through bulk water suppliers, i.e., Philippine Hydro, Inc. (in 2010) and Luzon Clean Water Development Corporation (in 2019).
For Philippine Hydro, Inc., or PhilHydro, the three (3) tapping points are located near the borders of Norzagaray, Bulacan, namely, Partida T.P., Perez T.P., and Tigbe T.P., and the two (2) tapping points are located along the I.N.C. line at Brgy. Bagbaguin and Brgy. Sto. Tomas, Sta. Maria, Bulacan. The Santa Maria Water District’s pipelines on those five (5) tapping points can accommodate up to 370 lps (32,000 cu.m./day). The raw water is sourced from the Angat River and treated at the PhilHydro Company’s Norzagaray treatment facility.
For Luzon Clean Water Development Corporation, or LCWDC, a consortium of San Miguel Holdings and K-Water Resources Corporation, the sole tapping point is located at the boundary of San Jose Del Monte City and Santa Maria-San Vicente. This tapping point can accommodate up to 463 lps (40,000 cu.m./day). The raw water supply comes from Aqueduct No. 6, going to La Mesa Dam.
The total existing distribution pipelines is at 246,830.51 linear meters. The breakdown in various sizes and types of materials are as follows (as of December 31, 2023):
