SANTA ISABEL URBANO
PR — Community Water System — PWSID: PR0003904
System Information
| PWSID | PR0003904 |
| System Name | SANTA ISABEL URBANO |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 02 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 1, 1980 |
| Last Reported | Dec 23, 2025 |
Location & Contact
| State | PR |
| City | SANTA ISABEL |
| ZIP Code | 00757 |
| Address | CARR.153 KM. 13.65 |
| Organization | SANTA ISABEL URBANO |
| Phone | 787-620-2277 |
Population & Service
| Population Served | 39,884 |
| Service Connections | 14,938 |
Drinking Water Violations (436)
This water system has 436 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2024 | Sep 30, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2024 | Nitrate Rule |
| Jul 1, 2024 | Sep 30, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2024 | Nitrate Rule |
| Jul 1, 2024 | Sep 30, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2024 | Nitrate Rule |
| Jul 1, 2024 | Sep 30, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2024 | Nitrate Rule |
| Jul 1, 2024 | Sep 30, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2024 | Nitrate Rule |
| Jul 1, 2024 | Sep 30, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2024 | Nitrate Rule |
| Jul 1, 2024 | Sep 30, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2024 | Nitrate Rule |
| Jul 1, 2024 | Sep 30, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2024 | Nitrate Rule |
| Jul 1, 2024 | Sep 30, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2024 | Nitrate Rule |
| Jul 1, 2024 | Sep 30, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2024 | Nitrate Rule |
| Jul 1, 2024 | Sep 30, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2024 | Nitrate Rule |
| Jul 1, 2024 | Sep 30, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2024 | Nitrate Rule |
| Apr 1, 2024 | Jun 30, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Jun 30, 2024 | Nitrate Rule |
| Apr 1, 2024 | Jun 30, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Jun 30, 2024 | Nitrate Rule |
| Apr 1, 2024 | Jun 30, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Jun 30, 2024 | Nitrate Rule |
| Apr 1, 2024 | Jun 30, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Jun 30, 2024 | Nitrate Rule |
| Jan 1, 2024 | Mar 31, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Mar 31, 2024 | Nitrate Rule |
| Jan 1, 2024 | Mar 31, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Mar 31, 2024 | Nitrate Rule |
| Jan 1, 2024 | Mar 31, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Mar 31, 2024 | Nitrate Rule |
| Jan 1, 2024 | Mar 31, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Mar 31, 2024 | Nitrate Rule |
| Jan 1, 2024 | Mar 31, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Mar 31, 2024 | Nitrate Rule |
| Jan 1, 2024 | Mar 31, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Mar 31, 2024 | Nitrate Rule |
| Jan 1, 2024 | Mar 31, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Mar 31, 2024 | Nitrate Rule |
| Jan 1, 2024 | Mar 31, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Mar 31, 2024 | Nitrate Rule |
| Jan 1, 2024 | Mar 31, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Mar 31, 2024 | Nitrate Rule |
| Jan 1, 2024 | Mar 31, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Mar 31, 2024 | Nitrate Rule |
| Jan 1, 2024 | Mar 31, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Mar 31, 2024 | Nitrate Rule |
| Jan 1, 2024 | Mar 31, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Mar 31, 2024 | Nitrate Rule |
| Jan 1, 2024 | Mar 31, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Mar 31, 2024 | Nitrate Rule |
| Jan 1, 2024 | Mar 31, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Mar 31, 2024 | Nitrate Rule |
| Jan 1, 2024 | Mar 31, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Mar 31, 2024 | Nitrate Rule |
| Jan 1, 2024 | Mar 31, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Mar 31, 2024 | Nitrate Rule |
| Jul 1, 2020 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 31, 2020 | Consumer Confidence Rule |
| Jan 1, 2019 | Mar 31, 2019 | Total Polychlorinated Biphenyls (PCB) | MR | No | Yes | — | 0.0005 mg/L | — | Resolved | Mar 31, 2019 | Synthetic Organic Chemicals |
| Jan 1, 2019 | Mar 31, 2019 | Methoxychlor | MR | No | Yes | — | 0.04 mg/L | — | Resolved | Mar 31, 2019 | Synthetic Organic Chemicals |
| Jan 1, 2019 | Mar 31, 2019 | Heptachlor | MR | No | Yes | — | 0.0004 mg/L | — | Resolved | Mar 31, 2019 | Synthetic Organic Chemicals |
| Jan 1, 2019 | Mar 31, 2019 | LASSO | MR | No | Yes | — | — | — | Resolved | Mar 31, 2019 | Synthetic Organic Chemicals |
| Jan 1, 2019 | Jan 31, 2019 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Jan 31, 2019 | Nitrate Rule |
| Jan 1, 2019 | Mar 31, 2019 | BHC-GAMMA | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Mar 31, 2019 | Synthetic Organic Chemicals |
| Jan 1, 2019 | Mar 31, 2019 | Heptachlor epoxide | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Mar 31, 2019 | Synthetic Organic Chemicals |
| Jan 1, 2019 | Mar 31, 2019 | Toxaphene | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Mar 31, 2019 | Synthetic Organic Chemicals |
| Jan 1, 2019 | Mar 31, 2019 | Endrin | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Mar 31, 2019 | Synthetic Organic Chemicals |
| Jan 1, 2019 | Jan 31, 2019 | Diquat | MR | No | Yes | — | 0.02 mg/L | — | Resolved | Jan 31, 2019 | Synthetic Organic Chemicals |
| Jan 1, 2019 | Jan 31, 2019 | Endothall | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Jan 31, 2019 | Synthetic Organic Chemicals |
| Jan 1, 2019 | Jan 31, 2019 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Jan 31, 2019 | Nitrate Rule |
| Jan 1, 2019 | Mar 31, 2019 | Chlordane | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Mar 31, 2019 | Synthetic Organic Chemicals |
| Jan 1, 2019 | Mar 31, 2019 | Simazine | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Mar 31, 2019 | Synthetic Organic Chemicals |
| Jan 1, 2019 | Mar 31, 2019 | Hexachlorocyclopentadiene | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Mar 31, 2019 | Synthetic Organic Chemicals |
| Jan 1, 2019 | Mar 31, 2019 | HEXACHLOROBENZENE | MR | No | Yes | — | 0.001 mg/L | — | Resolved | Mar 31, 2019 | Synthetic Organic Chemicals |
| Oct 1, 2018 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 13, 2019 | Consumer Confidence Rule |
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.