LAS PIEDRAS HUMACAO
PR — Community Water System — PWSID: PR0005376
System Information
| PWSID | PR0005376 |
| System Name | LAS PIEDRAS HUMACAO |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 02 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 1, 1980 |
| Last Reported | Mar 9, 2026 |
Location & Contact
| State | PR |
| City | HUMACAO |
| ZIP Code | 00791 |
| Address | ROAD 198 KM. 28.3 |
| Organization | LAS PIEDRAS HUMACAO |
| Phone | 787-620-2277 |
Population & Service
| Population Served | 36,032 |
| Service Connections | 13,495 |
Drinking Water Violations (259)
This water system has 259 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jun 1, 2022 | Jun 30, 2022 | MR | No | Yes | — | — | — | Resolved | Jun 30, 2022 | — | |
| Jun 1, 2022 | Jun 30, 2022 | MR | No | Yes | — | — | — | Resolved | Jun 30, 2022 | — | |
| Jul 1, 2021 | Sep 30, 2021 | MR | No | Yes | — | 0.04 mg/L | — | Resolved | Sep 30, 2021 | — | |
| Jul 1, 2021 | Sep 30, 2021 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Sep 30, 2021 | — | |
| Jul 1, 2021 | Sep 30, 2021 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Sep 30, 2021 | — | |
| Jul 1, 2021 | Sep 30, 2021 | MR | No | Yes | — | 0.04 mg/L | — | Resolved | Sep 30, 2021 | — | |
| Jul 1, 2020 | — | Other | No | No | — | — | — | Resolved | Aug 7, 2020 | — | |
| Apr 9, 2019 | — | Other | No | No | — | — | — | Resolved | Jul 29, 2020 | — | |
| Apr 9, 2019 | — | Other | No | No | — | — | — | Resolved | Jul 29, 2020 | — | |
| Feb 1, 2019 | Feb 28, 2019 | MR | No | No | — | — | — | Resolved | Feb 28, 2019 | — | |
| Feb 1, 2019 | Feb 28, 2019 | MR | No | No | — | — | — | Resolved | Feb 28, 2019 | — | |
| Feb 1, 2019 | Feb 28, 2019 | MR | No | No | — | — | — | Resolved | Feb 28, 2019 | — | |
| Feb 1, 2019 | Feb 28, 2019 | MR | No | No | — | — | — | Resolved | Feb 28, 2019 | — | |
| Feb 1, 2019 | Feb 28, 2019 | MR | No | No | — | TT | — | Resolved | Feb 28, 2019 | — | |
| Feb 1, 2019 | Feb 28, 2019 | MR | No | No | — | TT | — | Resolved | Feb 28, 2019 | — | |
| Oct 1, 2018 | — | Other | No | No | — | — | — | Resolved | Aug 13, 2019 | — | |
| Oct 1, 2018 | — | Other | No | No | — | — | — | Resolved | Aug 13, 2019 | — | |
| Apr 1, 2018 | Apr 30, 2018 | MR | No | No | — | — | — | Resolved | Apr 30, 2018 | — | |
| Apr 1, 2018 | Apr 30, 2018 | MR | No | No | — | TT | — | Resolved | Apr 30, 2018 | — | |
| Apr 1, 2018 | Apr 30, 2018 | MR | No | No | — | — | — | Resolved | Apr 30, 2018 | — | |
| Apr 1, 2018 | Apr 30, 2018 | MR | No | No | — | — | — | Resolved | Apr 30, 2018 | — | |
| Apr 1, 2018 | Apr 30, 2018 | MR | No | No | — | — | — | Resolved | Apr 30, 2018 | — | |
| Apr 1, 2018 | Apr 30, 2018 | MR | No | No | — | — | — | Resolved | Apr 30, 2018 | — | |
| Apr 1, 2018 | Apr 30, 2018 | MR | No | No | — | TT | — | Resolved | Apr 30, 2018 | — | |
| Apr 1, 2018 | Apr 30, 2018 | MR | No | No | — | TT | — | Resolved | Apr 30, 2018 | — | |
| Apr 1, 2018 | Apr 30, 2018 | MR | No | No | — | — | — | Resolved | Apr 30, 2018 | — | |
| Jan 1, 2018 | Jan 31, 2018 | MR | No | No | — | — | — | Resolved | Jan 31, 2018 | — | |
| Jan 1, 2018 | Jan 31, 2018 | MR | No | No | — | — | — | Resolved | Jan 31, 2018 | — | |
| Jan 1, 2018 | Jan 31, 2018 | MR | No | No | — | TT | — | Resolved | Jan 31, 2018 | — | |
| Jan 1, 2018 | Jan 31, 2018 | MR | No | No | — | — | — | Resolved | Jan 31, 2018 | — | |
| Jan 1, 2018 | Jan 31, 2018 | MR | No | No | — | TT | — | Resolved | Jan 31, 2018 | — | |
| Jan 1, 2018 | Jan 31, 2018 | MR | No | No | — | — | — | Resolved | Jan 31, 2018 | — | |
| Jan 1, 2018 | Jan 31, 2018 | MR | No | No | — | — | — | Resolved | Jan 31, 2018 | — | |
| Jan 1, 2018 | Jan 31, 2018 | MR | No | No | — | — | — | Resolved | Jan 31, 2018 | — | |
| Jan 1, 2018 | Jan 31, 2018 | MR | No | No | — | TT | — | Resolved | Jan 31, 2018 | — | |
| Jul 1, 2017 | Jul 31, 2017 | MR | No | Yes | — | — | — | Resolved | Jul 31, 2017 | — | |
| Jul 1, 2017 | Jul 31, 2017 | MR | No | Yes | — | TT | — | Resolved | Jul 31, 2017 | — | |
| Jul 1, 2017 | Jul 31, 2017 | MR | No | Yes | — | — | — | Resolved | Jul 31, 2017 | — | |
| Jul 1, 2017 | Jul 31, 2017 | MR | No | Yes | — | TT | — | Resolved | Jul 31, 2017 | — | |
| Jul 1, 2017 | Jul 31, 2017 | MR | No | Yes | — | — | — | Resolved | Jul 31, 2017 | — | |
| Jul 1, 2017 | Jul 31, 2017 | MR | No | Yes | — | — | — | Resolved | Jul 31, 2017 | — | |
| Jul 1, 2017 | Jul 31, 2017 | MR | No | Yes | — | — | — | Resolved | Jul 31, 2017 | — | |
| Jul 1, 2017 | Jul 31, 2017 | MR | No | Yes | — | TT | — | Resolved | Jul 31, 2017 | — | |
| Jul 1, 2017 | Jul 31, 2017 | MR | No | Yes | — | — | — | Resolved | Jul 31, 2017 | — | |
| May 1, 2017 | May 31, 2017 | MR | No | Yes | — | — | — | Resolved | May 31, 2017 | — | |
| May 1, 2017 | May 31, 2017 | MR | No | Yes | — | TT | — | Resolved | May 31, 2017 | — | |
| May 1, 2017 | May 31, 2017 | MR | No | Yes | — | — | — | Resolved | May 31, 2017 | — | |
| May 1, 2017 | May 31, 2017 | MR | No | Yes | — | — | — | Resolved | May 31, 2017 | — | |
| May 1, 2017 | May 31, 2017 | MR | No | Yes | — | TT | — | Resolved | May 31, 2017 | — | |
| May 1, 2017 | May 31, 2017 | MR | No | Yes | — | — | — | Resolved | May 31, 2017 | — |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.