MADERA CO SA16 SUMNER HILL
PWSID: CA2000729 · Madera, CA · Serves 135 people
According to EPA Safe Drinking Water Information System (SDWIS), MADERA CO SA16 SUMNER HILL (PWSID CA2000729) in Madera, CA is listed as a CWS water system covering about 135 people. The same extract lists 79 health-based violation records spanning 2015-2025. Those 79 health-based rows for MADERA CO SA16 SUMNER HILL cover contaminants such as Total Haloacetic Acids (HAA5), TTHM, Surface Water Treatment Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
MADERA CO SA16 SUMNER HILL has 79 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 4 distinct EPA contaminant codes appear in this system's record, including Total Haloacetic Acids (HAA5), TTHM, Surface Water Treatment Rule. Recorded violations span 2015–2025. Day-to-day primacy enforcement for this system runs through the California drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the California state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- CA2000729
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Madera, CA
- Population Served
- 135
- Health Violations
- Yes (79)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Total Haloacetic Acids (HAA5) | 39 | 39 |
| TTHM | 31 | 31 |
| Surface Water Treatment Rule | 6 | 6 |
| CARBON, TOTAL | 3 | 3 |
Violation History (79)
Frequently Asked Questions
What does EPA SDWIS list for MADERA CO SA16 SUMNER HILL?
How many people does MADERA CO SA16 SUMNER HILL serve?
What violations does MADERA CO SA16 SUMNER HILL have?
What contaminants have been found in MADERA CO SA16 SUMNER HILL water?
Compare beyond California
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest MADERA CO SA16 SUMNER HILL on cumulative violation count (79) and EPA-reported population served (135). Violation-count peers include R.C. WILLIS WTP (CITY OF PALATKA), BLOOMING GROVE WD #4-TAPPAN HO, LAKESIDE WATER ASSOCIATION.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Nearby Water Systems
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About This Data
MADERA CO SA16 SUMNER HILL (CA2000729) is drawn from EPA SDWIS. Nearby county systems in this extract include CITY OF MADERA; CHOWCHILLA CITY WATER DEPT; Table Mountain Rancheria; MADERA VALLEY WATER COMPANY. Health-based rows (79 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.