Public water system · CA5100136
ActiveEast Nicolaus Joint Union High School
At a glance
East Nicolaus Joint Union High School (PWSID CA5100136) is an active non-transient non-community water system in Sutter County, California. It reports serving 330 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in October 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
330
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does East Nicolaus Joint Union High School compare with other water systems in Sutter County?
By EPA's size categories, East Nicolaus Joint Union High School is a very small system (500 people or fewer). Sutter County has 35 active public water systems. Its population served is well below the county average of 2,514 people per system, and accounts for 0.4% of the 87,991 people reported by systems filed under the county. Across California, the 7,479 active systems average 5,706 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so East Nicolaus Joint Union High School is about 23% below that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. California has 1,466 active non-transient non-community water systems, 20% of the state's 7,479 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 6,179 California systems (83%) list groundwater as their primary source.
Who owns and regulates East Nicolaus Joint Union High School?
EPA lists East Nicolaus Joint Union High School as owned by a local government. The CA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 11 of the 35 active systems in Sutter County (31%) are also owned by a local government.
Does East Nicolaus Joint Union High School have drinking water violations?
EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in October 2023. The violations listed here began between December 1982 and October 2023. By type: 3 monitoring and reporting, 1 monitoring, 1 required treatment not met and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Lead and Copper Rule (2 of them). EPA lists 5 as resolved and 1 as archived. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2023-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2022-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2018-01-23 | Required treatment not metPublic Education · code 65 | Lead and Copper Rulecode 5000 | Yes | Resolved |
| 2010-12-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2000-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1982-12-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Not reported | No | Archived |
All 6 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
East Nicolaus Joint Union High School: frequently asked questions
Who runs East Nicolaus Joint Union High School?
East Nicolaus Joint Union High School (PWSID CA5100136) is a non-transient non-community water system owned by a local government. It is regulated by the CA state drinking water program.
How many people does East Nicolaus Joint Union High School serve?
East Nicolaus Joint Union High School reports serving 330 people through 1 service connection in Sutter County, California.
Where does East Nicolaus Joint Union High School get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does East Nicolaus Joint Union High School have any drinking water violations?
EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in October 2023. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is East Nicolaus Joint Union High School's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in October 2023. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find East Nicolaus Joint Union High School's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. East Nicolaus Joint Union High School is a non-transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Sutter County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Yuba City | Sutter | 70,256 | Community | Surface water |
| City of Live Oak | Sutter | 9,285 | Community | Groundwater |
| Sutter Community S.D. | Sutter | 2,904 | Community | Groundwater |
| National American Corp. Lp-Lake Minden | Sutter | 1,065 | Transient non-community | Groundwater |
| Church of Glad Tidings | Sutter | 878 | Non-transient non-community | Groundwater |
| Wildewood East Mutual | Sutter | 350 | Community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “East Nicolaus Joint Union High School, PWSID CA5100136, California”, https://aquacensus.com/water-systems/california/east-nicolaus-joint-union-high-school-ca5100136 (data as of October 1, 2026).