MADERA CO SA16 SUMNER HILL
California - Community Water System - PWSID: CA2000729
System Information
| PWSID | CA2000729 |
| System Name | MADERA CO SA16 SUMNER HILL |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 11, 1987 |
| Last Reported | Jun 22, 2026 |
Location & Contact
| State | California |
| City | MADERA |
| ZIP Code | 93637 |
| Address | 200 WEST 4TH ST., THIRD FLOOR |
| Organization | TOLER, PHIL |
| Phone | 559-675-7811 |
Population & Service
| Population Served | 135 |
| Service Connections | 43 |
Drinking Water Violations (117)
This water system has 117 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2026 | Mar 31, 2026 | MCL | Yes | No | 92 UG/L | 0.080 mg/L | 80 | Archived | Mar 31, 2026 | - | |
| Jan 1, 2026 | Mar 31, 2026 | MCL | Yes | No | 122.5 UG/L | 0.060 mg/L | 60 | Archived | Mar 31, 2026 | - | |
| Oct 1, 2025 | Dec 31, 2025 | MCL | Yes | No | 107.8 UG/L | 0.080 mg/L | 80 | Archived | Dec 31, 2025 | - | |
| Oct 1, 2025 | Dec 31, 2025 | MCL | Yes | No | 142.5 UG/L | 0.060 mg/L | 60 | Archived | Dec 31, 2025 | - | |
| Jul 1, 2025 | Sep 30, 2025 | MCL | Yes | No | 105.2 UG/L | 0.080 mg/L | 80 | Archived | Sep 30, 2025 | - | |
| Jul 1, 2025 | Sep 30, 2025 | MCL | Yes | No | 140 UG/L | 0.060 mg/L | 60 | Archived | Sep 30, 2025 | - | |
| Jul 1, 2025 | Sep 30, 2025 | MCL | Yes | No | 140 UG/L | 0.060 mg/L | 60 | Archived | Sep 30, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MCL | Yes | No | 128 UG/L | 0.060 mg/L | 60 | Archived | Jun 30, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MCL | Yes | No | 128 UG/L | 0.060 mg/L | 60 | Archived | Jun 30, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MCL | Yes | No | 103 UG/L | 0.080 mg/L | 80 | Archived | Jun 30, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MCL | Yes | No | 103 UG/L | 0.080 mg/L | 80 | Archived | Jun 30, 2025 | - | |
| Jan 1, 2025 | Mar 31, 2025 | MCL | Yes | No | 134 UG/L | 0.060 mg/L | 60 | Archived | Mar 31, 2025 | - | |
| Jan 1, 2025 | Mar 31, 2025 | MCL | Yes | No | 134 UG/L | 0.060 mg/L | 60 | Archived | Mar 31, 2025 | - | |
| Jan 1, 2025 | Mar 31, 2025 | MCL | Yes | No | 106 UG/L | 0.080 mg/L | 80 | Archived | Mar 31, 2025 | - | |
| Jan 1, 2025 | Mar 31, 2025 | MCL | Yes | No | 106 UG/L | 0.080 mg/L | 80 | Archived | Mar 31, 2025 | - | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | 83.5 UG/L | 0.080 mg/L | 80 | Archived | Dec 31, 2024 | - | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | 107.8 UG/L | 0.060 mg/L | 60 | Archived | Dec 31, 2024 | - | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | 89 UG/L | 0.080 mg/L | 80 | Archived | Sep 30, 2024 | - | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | 102 UG/L | 0.060 mg/L | 60 | Archived | Sep 30, 2024 | - | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | 102 UG/L | 0.060 mg/L | 60 | Archived | Sep 30, 2024 | - | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | 89 UG/L | 0.080 mg/L | 80 | Archived | Sep 30, 2024 | - | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | 102 UG/L | 0.080 mg/L | 80 | Archived | Jun 30, 2024 | - | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | 102 UG/L | 0.060 mg/L | 60 | Archived | Jun 30, 2024 | - | |
| Jan 1, 2024 | Mar 31, 2024 | MCL | Yes | No | 115 UG/L | 0.060 mg/L | 60 | Archived | Mar 31, 2024 | - | |
| Jan 1, 2024 | Mar 31, 2024 | MCL | Yes | No | 112 UG/L | 0.080 mg/L | 80 | Archived | Mar 31, 2024 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MCL | Yes | No | 115 UG/L | 0.060 mg/L | 60 | Archived | Dec 31, 2023 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MCL | Yes | No | 121 UG/L | 0.080 mg/L | 80 | Archived | Dec 31, 2023 | - | |
| Jul 1, 2023 | Sep 30, 2023 | MCL | Yes | No | 98 UG/L | 0.060 mg/L | 60 | Archived | Sep 30, 2023 | - | |
| Jul 1, 2023 | Sep 30, 2023 | MCL | Yes | No | 113 UG/L | 0.080 mg/L | 80 | Archived | Sep 30, 2023 | - | |
| Jul 1, 2023 | Jul 31, 2023 | TT | Yes | No | - | - | - | Resolved | Jul 31, 2023 | - | |
| Jul 1, 2023 | Jul 31, 2023 | TT | Yes | No | - | - | - | Resolved | Jul 31, 2023 | - | |
| Jun 1, 2023 | Jun 30, 2023 | TT | Yes | No | - | - | - | Resolved | Jun 30, 2023 | - | |
| Jun 1, 2023 | Jun 30, 2023 | TT | Yes | No | - | - | - | Resolved | Jun 30, 2023 | - | |
| May 1, 2023 | May 31, 2023 | TT | Yes | No | - | - | - | Resolved | May 31, 2023 | - | |
| May 1, 2023 | May 31, 2023 | TT | Yes | No | - | - | - | Resolved | May 31, 2023 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MCL | Yes | No | .15 MG/L | 0.060 mg/L | .06 | Archived | Mar 31, 2023 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MCL | Yes | No | .13 MG/L | 0.080 mg/L | .08 | Archived | Mar 31, 2023 | - | |
| Oct 1, 2022 | Dec 31, 2022 | MCL | Yes | No | .0735 UG/L | 0.060 mg/L | .06 | Archived | Dec 31, 2022 | - | |
| Jul 1, 2022 | Sep 30, 2022 | MCL | Yes | No | 74.5 UG/L | 0.060 mg/L | 60 | Archived | Sep 30, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | 68.8 UG/L | 0.060 mg/L | 60 | Archived | Jun 30, 2022 | - | |
| Apr 1, 2020 | Jun 30, 2020 | MCL | Yes | No | .074 MG/L | 0.060 mg/L | .06 | Archived | Jun 30, 2020 | - | |
| Jan 1, 2020 | Mar 31, 2020 | MCL | Yes | No | .084 UG/L | 0.060 mg/L | .06 | Archived | Mar 31, 2020 | - | |
| Oct 1, 2019 | Dec 31, 2019 | MCL | Yes | No | .117 MG/L | 0.080 mg/L | .08 | Archived | Dec 31, 2019 | - | |
| Oct 1, 2019 | Dec 31, 2019 | MCL | Yes | No | .136 MG/L | 0.060 mg/L | .06 | Archived | Dec 31, 2019 | - | |
| Jul 1, 2019 | Sep 30, 2019 | MCL | Yes | No | .16 MG/L | 0.060 mg/L | .06 | Archived | Sep 30, 2019 | - | |
| Jul 1, 2019 | Sep 30, 2019 | MCL | Yes | No | .131 MG/L | 0.080 mg/L | .08 | Archived | Sep 30, 2019 | - | |
| Apr 1, 2019 | Jun 30, 2019 | MCL | Yes | No | .137 MG/L | 0.080 mg/L | .08 | Archived | Jun 30, 2019 | - | |
| Apr 1, 2019 | Jun 30, 2019 | MCL | Yes | No | .162 MG/L | 0.060 mg/L | .06 | Archived | Jun 30, 2019 | - | |
| Jan 1, 2019 | Mar 31, 2019 | MCL | Yes | No | .195 MG/L | 0.060 mg/L | .06 | Archived | Mar 31, 2019 | - | |
| Jan 1, 2019 | Mar 31, 2019 | MCL | Yes | No | .131 MG/L | 0.080 mg/L | .08 | Archived | Mar 31, 2019 | - |
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.