COALINGA-CITY
PWSID: CA1010004 · Coalinga, CA · Serves 17,277 people
According to EPA Safe Drinking Water Information System (SDWIS), COALINGA-CITY (PWSID CA1010004) in Coalinga, CA is listed as a CWS water system covering about 17,277 people. The same extract lists 14 health-based violation records spanning 2002-2015. Those 14 health-based rows for COALINGA-CITY cover contaminants such as TTHM, Surface Water Treatment Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
COALINGA-CITY has 14 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. 2 distinct EPA contaminant codes appear in this system's record, including TTHM, Surface Water Treatment Rule. Recorded violations span 2002–2015. 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)
- CA1010004
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Coalinga, CA
- Population Served
- 17,277
- Health Violations
- Yes (14)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| TTHM | 13 | 13 |
| Surface Water Treatment Rule | 1 | 1 |
Violation History (14)
| Contaminant | Health | Date |
|---|---|---|
| TTHM | Yes | Oct 1, 2015 |
| Surface Water Treatment Rule | Yes | Sep 1, 2015 |
| TTHM | Yes | Jul 1, 2015 |
| TTHM | Yes | Apr 1, 2015 |
| TTHM | Yes | Jan 1, 2015 |
| TTHM | Yes | Oct 1, 2014 |
| TTHM | Yes | Jul 1, 2014 |
| TTHM | Yes | Oct 1, 2004 |
| TTHM | Yes | Jul 1, 2004 |
| TTHM | Yes | Apr 1, 2004 |
| TTHM | Yes | Apr 1, 2003 |
| TTHM | Yes | Jan 1, 2003 |
| TTHM | Yes | Sep 1, 2002 |
| TTHM | Yes | Jul 1, 2002 |
Frequently Asked Questions
What does EPA SDWIS list for COALINGA-CITY?
How many people does COALINGA-CITY serve?
What violations does COALINGA-CITY have?
What contaminants have been found in COALINGA-CITY water?
Compare beyond California
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest COALINGA-CITY on cumulative violation count (14) and EPA-reported population served (17,277). Violation-count peers include URIAH HEEPS SPRING WATER SYSTEM, UNIVERSITY OF ALASKA - FAIRBANKS, ELBA, THE WW AND EB OF THE CITY OF. Population peers include MEDFORD TWP DEPT OF MUNI, BELFOREST WATER SYSTEM, CHARLESTON.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Similar population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ gate).
Nearby Water Systems
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About This Data
COALINGA-CITY (CA1010004) is drawn from EPA SDWIS. Nearby county systems in this extract include CITY OF FRESNO; CITY OF CLOVIS; CALIFORNIA STATE UNIVERSITY FRESNO; CITY OF SANGER. Health-based rows (14 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.