Acued. Rural Guacio, PR
Above the new 10 ppb level coming in 2027
Latest 90th-percentile lead: 14 ppb (monitoring period 2023-2023). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. Under the current 15 ppb rule this is not an exceedance, but it is above the 10 ppb action level that takes over in Nov 2027. Test your own tap; filter if your result shows lead.
Who runs the water here
Acued. Rural Guacio serves about 340 people through 85 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in San Sebastian Municipio County, PR. EPA system ID: PR0367013; phone on file: 787-896-8203. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Acued. Rural Guacio's lead record
That is up 11 ppb from 3 ppb in the period ending 2023. The highest 90th-percentile result EPA holds for Acued. Rural Guacio is 44 ppb across 3 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 14 ppb over 10 |
| 2023 | 3 ppb |
| 2019 | 44 ppb over 15 |
Where this result ranks
Of the 111 PR systems with a lead result, the median latest reading is 5 ppb; 10 are over 15 ppb right now and 16 have gone over at some point. Acued. Rural Guacio's 14 ppb sits at the 91st percentile in PR and the 99th nationally (higher means more lead).
Nearby utilities
4 other systems share San Sebastian Municipio County; 0 of them have a higher latest lead result than Acued. Rural Guacio. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| San Sebastian | 25,752 | - |
| Lavadero | 1,265 | 3 ppb |
| Wilfredo Valentin | 1,239 | - |
| Acueducto Rural Guadalupe Marti | 81 | - |
What to do in your house
Test your own tap with a certified lab first-draw sample; San Sebastian, PR 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 Acued. Rural Guacio 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. This system is in the band the 2027 10 ppb rule changes.