Drinking water quality · 2023

· Verified

What's in Del Oro Water Co.-paradise Pines — Chico, Ca, CA tap water

14 contaminants were measured in the Del Oro Water Co.-paradise Pines — Chico, Ca, CA water system's 2023 annual report. Each is shown below against its federal limit 1 sit at or above that limit.

Reporting year
2023
Contaminants measured
14
Over federal limit
1
Approaching the limit
0
Worst contaminant
Barium
4.9× the limit
Service area
CA
state-level CCR
Source
Utility CCR

Metals

ContaminantMeasuredStatus
BariumA metal from erosion of natural deposits and industrial discharge.5.812–9.79 mg/LRangeSystem-wideAt or above the limit
CopperA metal that enters water from corroding household plumbing.0.288 mg/L90th percentileAt the tapWithin the limit
SeleniumA trace element from natural deposits and industrial discharge.0–1.08 ug/LRangeSystem-wideWithin the limit
LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures.0.000674 ug/L90th percentileAt the tapWithin the limit
Chromium, HexavalentHexavalent chromium ('chromium-6') — the more toxic form of chromium.0.56–0.97 ug/LRangeSystem-wideDetected — no federal limit
NickelA metal from natural deposits and industrial discharge.0–0.83 ug/LRangeSystem-wideDetected — no federal limit

Disinfection byproducts

ContaminantMeasuredStatus
TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter.0–52 ug/LRangeSystem-wideWithin the limit

Radionuclides

ContaminantMeasuredStatus
Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements.0–2.61 pCi/LRangeSystem-wideWithin the limit
Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances.0.0566–2.37 pCi/LRangeSystem-wideWithin the limit

Disinfectants

ContaminantMeasuredStatus
ChlorineA disinfectant added to drinking water to kill bacteria and viruses.0.07–0.77 mg/LRangeSystem-wideWithin the limit

Inorganic chemicals

ContaminantMeasuredStatus
NitriteA compound from fertilizer runoff, sewage, and erosion of natural deposits.0–0.11 mg/LRangeSystem-wideWithin the limit
NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits.0–0.45 mg/LRangeSystem-wideWithin the limit

Other

ContaminantMeasuredStatus
Chromium0–1.05 ug/LRangeSystem-wideWithin the limit

Microbial

ContaminantMeasuredStatus
Escherichia coli (E. coli)Escherichia coli — bacteria found in the gut of humans and animals.0MaximumNo. of DetectionsNone detected
Source: Del Oro Water Co.-paradise Pines — Chico, Ca, 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 Del Oro Water Co.-paradise Pines — Chico, Ca, CA's water

+Is Del Oro Water Co.-paradise Pines — Chico, Ca, CA tap water safe to drink in 2023?

The 2023 Consumer Confidence Report for the Del Oro Water Co.-paradise Pines — Chico, Ca, CA water utility lists 1 contaminant at or above the federal limit: Barium. Whether that means the water is "unsafe" depends on which contaminant, how long the exposure, and individual health factors. The table on this page shows the measured value, the federal threshold, and the regulated statistic used for compliance.

+What contaminants are in Del Oro Water Co.-paradise Pines — Chico, Ca, CA tap water?

14 contaminants were measured in Del Oro Water Co.-paradise Pines — Chico, Ca, CA's 2023 Consumer Confidence Report, spanning metals, inorganic chemicals, and radionuclides. 8 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.

+Which contaminants exceed federal limits in Del Oro Water Co.-paradise Pines — Chico, Ca, CA tap water?

One contaminant in Del Oro Water Co.-paradise Pines — Chico, Ca, CA's 2023 report sits at or above the federal limit: Barium (4.9× the limit). The EPA enforces these limits against the regulated reporting statistic — typically a running annual average or 90th percentile — not a one-off sample spike.

+What is the worst contaminant in Del Oro Water Co.-paradise Pines — Chico, Ca, CA tap water?

The contaminant with the highest measured value relative to its federal limit in the 2023 report is Barium, at 4.9× the federal threshold. It belongs to the metals family of contaminants.

+Where does the data on this page come from?

Every value is transcribed from Del Oro Water Co.-paradise Pines — Chico, Ca, 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 Del Oro Water Co.-paradise Pines — Chico, Ca, 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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