Drinking water quality · 2023

· Verified

What's in Nps-wolverton, CA tap water

11 contaminants were measured in the Nps-wolverton, CA water system's 2023 annual report. Each is shown below against its federal limit.

Browse the mapFull source report ↗
Reporting year
2023
Contaminants measured
11
Over federal limit
0
Approaching the limit
1
Service area
CA
state-level CCR
Source
Utility CCR

Compliance history

Federal Safe Drinking Water Act violation & enforcement records (EPA SDWIS). A violation is a regulatory determination by the state or EPA — separate from the measured levels above.

  • Maximum contaminant level exceededHealth-based
    107 violations on record · most recent Oct 2023
    resolved
  • Treatment technique violationHealth-based
    1 violation on record · most recent Apr 2014
    resolved
  • Reporting
    1 violation on record · most recent Jul 2025
    1 open
  • Monitoring
    1 violation on record
    resolved

Source: EPA SDWIS / ECHO. View the full federal record on EPA ECHO ↗

Disinfection byproducts

ContaminantMeasuredStatus
HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter.56.5 ug/LAverageSystem-wideApproaching the limit
TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter.34 ug/LAverageSystem-wideWithin the limit

Radionuclides

ContaminantMeasuredStatus
Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances.3.84 pCi/LAverageSystem-wideWithin the limit

Metals

ContaminantMeasuredStatus
CopperA metal that enters water from corroding household plumbing.0 mg/L90th percentileAt the tapNone detected
LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures.0.0 mg/L90th percentileAt the tapNone detected
CalciumA naturally occurring mineral that contributes to water hardness.5.66 mg/LAverageSystem-wideDetected — no federal limit

Microbial

ContaminantMeasuredStatus
Escherichia coli (E. coli)Escherichia coli — bacteria found in the gut of humans and animals.0Highest single sampleNo. of DetectionsNone detected
+By source (2)No. of Detections, Total No. of Detections
  • No. of DetectionsPlant
  • Total No. of DetectionsPlant

Physical & aggregate

ContaminantMeasuredStatus
AlkalinityA measure of the water's capacity to neutralize acids.20 mg/LAverageSystem-wideDetected — no federal limit
Bicarbonate30 mg/LAverageSystem-wideDetected — no federal limit
pHA measure of how acidic or basic the water is.6.86AverageSystem-wideDetected — no federal limit
TurbidityA measure of cloudiness from suspended particles in the water.0.1Reported levelSystem-wideDetected — no federal limit
Source: Nps-wolverton, CA's 2023 Consumer Confidence Report — the annual drinking-water report every U.S. utility is required to publish. The numbers on this page are the utility's own. A water-quality report covers an entire service area, not a single address.

People also ask about Nps-wolverton, CA's water

+Is Nps-wolverton, CA tap water safe to drink in 2023?

Every one of the 11 contaminants measured in Nps-wolverton, CA's 2023 Consumer Confidence Report is below its federal limit. "Safe" under the EPA's drinking-water standards is health-based, not aesthetic — but by those standards, no measured contaminant in this report exceeds its enforceable threshold. Individual health concerns (e.g. immunocompromised, infant, pregnancy) may warrant additional filtering regardless of compliance.

+What contaminants are in Nps-wolverton, CA tap water?

11 contaminants were measured in Nps-wolverton, CA's 2023 Consumer Confidence Report, spanning physical & aggregate, metals, and disinfection byproducts. 3 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.

+Are any contaminants in Nps-wolverton, CA tap water approaching the federal limit?

One contaminant is between 80% and 100% of the federal limit in this report: HAA5. Approaching means measured but not in violation — a margin that can close quickly if conditions change.

+Where does the data on this page come from?

Every value is transcribed from Nps-wolverton, CA's 2023 Consumer Confidence Report — the annual drinking-water report every U.S. public water utility is required by federal law to publish. The original source document is archived and viewable on this site. A water-quality report covers an entire service area, not a single address.

+How often is Nps-wolverton, CA's water quality data updated?

Each U.S. public water utility publishes one Consumer Confidence Report per year, covering the prior calendar year's measurements. This page reflects the 2023 report; a new report will replace it once the utility publishes its next annual update.

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