Southborough Dpw Water Division (Mwra), MA
Lead detected, under the action levels
Latest 90th-percentile lead: 1 ppb (monitoring period 2023-2025). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. Lead was measured in sampled homes but the 90th percentile is under both action levels. EPA's health goal for lead is zero, so test your own tap if your home was built before 1986 or anyone in it is pregnant or a young child.
Who runs the water here
Southborough Dpw Water Division (Mwra) serves about 10,638 people through 3,340 service connections, which makes it a large system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Worcester County, Massachusetts. EPA system ID: MA2277000; phone on file: 5084851210. They can tell you what your service line is made of and whether they pay to replace it.
Southborough Dpw Water Division (Mwra)'s lead record
Against the period ending 2024 (0.79 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Southborough Dpw Water Division (Mwra) is 3.59 ppb across 10 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 1 ppb |
| 2024 | 0.79 ppb |
| 2024 | 2.55 ppb |
| 2022 | 1.5 ppb |
| 2022 | 1.53 ppb |
| 2022 | 1.95 ppb |
| 2021 | 3.59 ppb |
| 2020 | 1.71 ppb |
| 2019 | 3.21 ppb |
| 2019 | 2.35 ppb |
Against other Massachusetts systems
Of the 535 Massachusetts systems with a lead result, the median latest reading is 1.7 ppb; 13 are over 15 ppb right now and 66 have gone over at some point. Southborough Dpw Water Division (Mwra)'s 1 ppb sits at the 34th percentile in Massachusetts and the 55th nationally (higher means more lead).
Other water systems in Worcester County
107 other systems share Worcester County; 63 of them have a higher latest lead result than Southborough Dpw Water Division (Mwra). If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Worcester Dpwp, Water Supply Division | 206,518 | 2 ppb |
| Fitchburg Dpw Division Of Water Supply | 41,946 | 5 ppb |
| Leominster Water Division | 41,683 | 2.8 ppb |
| Shrewsbury Water Department | 38,325 | 0 (not detected) |
| Milford Water Department | 30,379 | 1 ppb |
| Westborough Water Department | 21,567 | 1.8 ppb |
| Gardner Water Department | 21,381 | 8 ppb |
| Southbridge Water Department | 19,562 | 3 ppb |
| Holden Water Division, Dpw | 18,016 | 3.1 ppb |
| Webster Water Department | 17,776 | 3.7 ppb |
Your move
Test your own tap with a certified lab first-draw sample; Southborough, MA may offer free or low-cost kits through the utility. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Southborough Dpw Water Division (Mwra) whether it covers that cost before hiring anyone - many utilities now do.
These figures describe homes the utility sampled, not your tap. Only your service line record or a test of your own water answers the question for your house. The lead result guide covers how utilities pick the homes they sample. Size matters more than most people expect: small vs large water systems.