In the family’s tests: measured by an independent lab and compared against published safety limits.
Uranium7.1 ppbof 30 ppb
24% of the limitFDA bottled-water Standard of Quality, 21 CFR 165.110(b) — 0.030 mg/L (= EPA MCL)
Measured in: Sparkling Mineral Water
Fluoride0.47 ppmof 2 ppm
24% of the limitFDA bottled-water Standard of Quality, 21 CFR 165.110(b) — 2.0 mg/L domestic non-carbonated (temperature-dependent 1.4–2.4 mg/L)
Measured in: Sparkling Mineral Water
Thallium0.41 ppbof 2 ppb
21% of the limitFDA bottled-water Standard of Quality, 21 CFR 165.110(b) — 0.002 mg/L
Measured in: Sparkling Mineral Water
Nitrate0.72 ppmof 10 ppm
7% of the limitFDA bottled-water Standard of Quality, 21 CFR 165.110(b) — 10 mg/L AS NITROGEN (= EPA MCL). Readings must also be as N, not as nitrate ion; the as-NO3 equivalent would be ~44 mg/L.
Measured in: Sparkling Mineral Water
Nickel1.6 ppbof 100 ppb
2% of the limitFDA bottled-water Standard of Quality, 21 CFR 165.110(b) — 0.1 mg/L
Measured in: Sparkling Mineral Water
Barium0.016 ppmof 2 ppm
1% of the limitFDA bottled-water Standard of Quality, 21 CFR 165.110(b) — 2 mg/L
Measured in: Sparkling Mineral Water
Boron140 ppbfound
Detected · no published limit
Measured in: Sparkling Mineral Water
Bromide310 ppbfound
Detected · no published limit
Measured in: Sparkling Mineral Water
1,1-dichloroethaneNDnone found
Not detected
Measured in: Sparkling Mineral Water
1,1-dichloroethyleneNDnone found
Not detected
Measured in: Sparkling Mineral Water
1,1,1-trichloroethaneNDnone found
Not detected
Measured in: Sparkling Mineral Water
1,1,2-trichloroethaneNDnone found
Not detected
Measured in: Sparkling Mineral Water
1,1,2,2-tetrachloroethaneNDnone found
Not detected
Measured in: Sparkling Mineral Water
1,2-dibromo-3-chloropropaneNDnone found
Not detected
Measured in: Sparkling Mineral Water
1,2-dichlorobenzeneNDnone found
Not detected
Measured in: Sparkling Mineral Water
1,2-dichloroethaneNDnone found
Not detected
Measured in: Sparkling Mineral Water
1,2-dichloropropaneNDnone found
Not detected
Measured in: Sparkling Mineral Water
1,2,4-trichlorobenzeneNDnone found
Not detected
Measured in: Sparkling Mineral Water
1,4-dichlorobenzeneNDnone found
Not detected
Measured in: Sparkling Mineral Water
11-chloroeicosafluoro-3-oxaundecane-sulfonic AcidNDnone found
Not detected
Measured in: Sparkling Mineral Water
2,3,7,8-tcddNDnone found
Not detected
Measured in: Sparkling Mineral Water
2,4-dNDnone found
Not detected
Measured in: Sparkling Mineral Water
2,4,5-tpNDnone found
Not detected
Measured in: Sparkling Mineral Water
4,8-dioxa-3h-perfluorononanoic Acid (Adona)NDnone found
Not detected
Measured in: Sparkling Mineral Water
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic AcidNDnone found
Not detected
Measured in: Sparkling Mineral Water
AlachlorNDnone found
Not detected
Measured in: Sparkling Mineral Water
AldicarbNDnone found
Not detected
Measured in: Sparkling Mineral Water
Aldicarb SulfoneNDnone found
Not detected
Measured in: Sparkling Mineral Water
Aldicarb SulfoxideNDnone found
Not detected
Measured in: Sparkling Mineral Water
AluminumNDof 200 ppb
Not detectedFDA bottled-water Standard of Quality (secondary/aesthetic), 21 CFR 165.110(b) — 0.2 mg/L. NOTE: this is a bottled-water level; it is not an FDA limit for aluminum in solid foods, where no comparable federal limit exists.
Measured in: Sparkling Mineral Water
AntimonyNDof 6 ppb
Not detectedFDA bottled-water Standard of Quality, 21 CFR 165.110(b) — 0.006 mg/L
Measured in: Sparkling Mineral Water
ArsenicNDof 10 ppb
Not detectedFDA bottled-water Standard of Quality, 21 CFR 165.110(b) — 0.010 mg/L (= EPA MCL)
Measured in: Sparkling Mineral Water
AsbestosNDnone found
Not detected
Measured in: Sparkling Mineral Water
AtrazineNDnone found
Not detected
Measured in: Sparkling Mineral Water
BenzeneNDnone found
Not detected
Measured in: Sparkling Mineral Water
Benzo(a)PyreneNDnone found
Not detected
Measured in: Sparkling Mineral Water
BerylliumNDof 4 ppb
Not detectedFDA bottled-water Standard of Quality, 21 CFR 165.110(b) — 0.004 mg/L
Measured in: Sparkling Mineral Water
Bis (2-ethylhexyl) AdipateNDnone found
Not detected
Measured in: Sparkling Mineral Water
BromateNDof 10 ppb
Not detectedFDA bottled-water Standard of Quality, 21 CFR 165.110(b) — 0.010 mg/L
Measured in: Sparkling Mineral Water
CadmiumNDof 5 ppb
Not detectedFDA bottled-water Standard of Quality, 21 CFR 165.110(b) — 0.005 mg/L
Measured in: Sparkling Mineral Water
CarbofuranNDnone found
Not detected
Measured in: Sparkling Mineral Water
Carbon TetrachlorideNDnone found
Not detected
Measured in: Sparkling Mineral Water
ChloramineNDof 4 ppm
Not detectedFDA bottled-water residual-disinfectant limit, 21 CFR 165.110(b)(4)(iii) — chloramine 4.0 mg/L as Cl2 (= EPA MRDL).
Measured in: Sparkling Mineral Water
ChlordaneNDnone found
Not detected
Measured in: Sparkling Mineral Water
ChlorineNDnone found
Not detected
Measured in: Sparkling Mineral Water
Chlorine DioxideNDof 800 ppb
Not detectedFDA bottled-water residual-disinfectant limit, 21 CFR 165.110(b)(4)(iii) — chlorine dioxide 0.8 mg/L as ClO2 (= EPA MRDL).
Measured in: Sparkling Mineral Water
ChloriteNDnone found
Not detected
Measured in: Sparkling Mineral Water
ChlorobenzeneNDnone found
Not detected
Measured in: Sparkling Mineral Water
ChromiumNDof 100 ppb
Not detectedFDA bottled-water Standard of Quality, 21 CFR 165.110(b) — 0.1 mg/L total chromium (= EPA MCL)
Measured in: Sparkling Mineral Water
cis-1,2-dichloroetheneNDnone found
Not detected
Measured in: Sparkling Mineral Water
CopperNDof 1 ppm
Not detectedFDA bottled-water Standard of Quality (secondary), 21 CFR 165.110(b) — 1 mg/L
Measured in: Sparkling Mineral Water
CyanideNDof 200 ppb
Not detectedFDA bottled-water Standard of Quality, 21 CFR 165.110(b) — 0.2 mg/L
Measured in: Sparkling Mineral Water
DalaponNDnone found
Not detected
Measured in: Sparkling Mineral Water
Di(2-ethylhexyl) Phthalate (DEHP)NDof 6 ppb
Not detectedUS EPA drinking-water MCL, 40 CFR 141.61(c) — 0.006 mg/L. Applied to all foods as the TIGHTEST published DEHP number; the EU food-contact limit is looser (Reg. (EU) 10/2011 as amended by 2023/1442: SML 0.6 mg/kg, plus the 0.6 mg/kg DEHP-equivalent group limit with DBP/BBP/DIBP).
Measured in: Sparkling Mineral Water
DinosebNDnone found
Not detected
Measured in: Sparkling Mineral Water
DiquatNDnone found
Not detected
Measured in: Sparkling Mineral Water
EndothallNDnone found
Not detected
Measured in: Sparkling Mineral Water
EndrinNDnone found
Not detected
Measured in: Sparkling Mineral Water
EthylbenzeneNDnone found
Not detected
Measured in: Sparkling Mineral Water
Ethylene DibromideNDnone found
Not detected
Measured in: Sparkling Mineral Water
GlyphosateNDof 160 ppb
Not detectedEWG children's health benchmark 160 ppb (0.01 mg/day in a 60 g serving). EPA tolerance for glyphosate on oats is far higher at 30 ppm (30,000 ppb), 40 CFR 180.364.
Measured in: Sparkling Mineral Water
Haloacetic Acids (Haa5)NDnone found
Not detected
Measured in: Sparkling Mineral Water
HeptachlorNDnone found
Not detected
Measured in: Sparkling Mineral Water
Heptachlor EpoxideNDnone found
Not detected
Measured in: Sparkling Mineral Water
HexachlorobenzeneNDnone found
Not detected
Measured in: Sparkling Mineral Water
HexachlorocyclopentadieneNDnone found
Not detected
Measured in: Sparkling Mineral Water
Hexafluoropropylene Oxide Dimer Acid (Hfpo-da)NDof 10 ppt
Not detectedEPA National Primary Drinking Water Regulation for PFAS (2024) — HFPO-DA (GenX) MCL 10 ng/L.
Measured in: Sparkling Mineral Water
IronNDof 300 ppb
Not detectedFDA bottled-water Standard of Quality (secondary/aesthetic), 21 CFR 165.110(b) — 0.3 mg/L
Measured in: Sparkling Mineral Water
LeadNDof 5 ppb
Not detectedFDA bottled-water Standard of Quality, 21 CFR 165.110(b) — 0.005 mg/L
Measured in: Sparkling Mineral Water
LindaneNDnone found
Not detected
Measured in: Sparkling Mineral Water
ManganeseNDof 50 ppb
Not detectedFDA bottled-water Standard of Quality (secondary/aesthetic), 21 CFR 165.110(b) — 0.05 mg/L
Measured in: Sparkling Mineral Water
MercuryNDof 2 ppb
Not detectedFDA bottled-water Standard of Quality, 21 CFR 165.110(b) — 0.002 mg/L
Measured in: Sparkling Mineral Water
MethoxychlorNDnone found
Not detected
Measured in: Sparkling Mineral Water
Methyl tert-Butyl EtherNDnone found
Not detected
Measured in: Sparkling Mineral Water
Methylene ChlorideNDnone found
Not detected
Measured in: Sparkling Mineral Water
n-Ethyl Perfluorooctanesulfonamidoacetic AcidNDnone found
Not detected
Measured in: Sparkling Mineral Water
n-Methyl Perfluorooctanesulfonamidoacetic AcidNDnone found
Not detected
Measured in: Sparkling Mineral Water
NitriteNDof 1 ppm
Not detectedFDA bottled-water Standard of Quality, 21 CFR 165.110(b) — 1 mg/L as N
Measured in: Sparkling Mineral Water
OxamylNDnone found
Not detected
Measured in: Sparkling Mineral Water
PentachlorophenolNDnone found
Not detected
Measured in: Sparkling Mineral Water
PerchlorateNDof 2 ppb
Not detectedInternational Bottled Water Association bottled-water standard — 0.002 mg/L, per the legend of the Poland Spring 2025 Water Analysis Report (marked with the IBWA symbol, not the California Dept. of Health Services symbol). California's own perchlorate MCL is 0.006 mg/L and is NOT the basis for this figure.
Measured in: Sparkling Mineral Water
Perfluorobutanesulfonic AcidNDnone found
Not detected
Measured in: Sparkling Mineral Water
Perfluorodecanoic AcidNDnone found
Not detected
Measured in: Sparkling Mineral Water
Perfluorododecanoic AcidNDnone found
Not detected
Measured in: Sparkling Mineral Water
Perfluoroheptanoic Acid (Pfhpa)NDnone found
Not detected
Measured in: Sparkling Mineral Water
Perfluorohexanesulfonic AcidNDnone found
Not detected
Measured in: Sparkling Mineral Water
Perfluorohexanoic AcidNDnone found
Not detected
Measured in: Sparkling Mineral Water
Perfluorononanoic AcidNDnone found
Not detected
Measured in: Sparkling Mineral Water
Perfluorooctanesulfonic Acid (PFOS)NDof 4 ppt
Not detectedEPA National Primary Drinking Water Regulation for PFAS (2024) — MCL 4.0 ng/L
Measured in: Sparkling Mineral Water
Perfluorooctanoic Acid (PFOA)NDof 4 ppt
Not detectedEPA National Primary Drinking Water Regulation for PFAS (2024) — MCL 4.0 ng/L
Measured in: Sparkling Mineral Water
Perfluorotetradecanoic AcidNDnone found
Not detected
Measured in: Sparkling Mineral Water
Perfluorotridecanoic AcidNDnone found
Not detected
Measured in: Sparkling Mineral Water
Perfluoroundecanoic AcidNDnone found
Not detected
Measured in: Sparkling Mineral Water
PicloramNDnone found
Not detected
Measured in: Sparkling Mineral Water
Polychlorinated BiphenylsNDnone found
Not detected
Measured in: Sparkling Mineral Water
SeleniumNDof 50 ppb
Not detectedFDA bottled-water Standard of Quality, 21 CFR 165.110(b) — 0.05 mg/L (= EPA MCL)
Measured in: Sparkling Mineral Water
SilverNDof 100 ppb
Not detectedFDA bottled-water Standard of Quality (secondary), 21 CFR 165.110(b) — 0.1 mg/L
Measured in: Sparkling Mineral Water
SimazineNDnone found
Not detected
Measured in: Sparkling Mineral Water
StyreneNDnone found
Not detected
Measured in: Sparkling Mineral Water
TetrachloroethyleneNDnone found
Not detected
Measured in: Sparkling Mineral Water
TolueneNDof 1 ppm
Not detectedFDA bottled-water Standard of Quality, 21 CFR 165.110(b) — toluene 1 mg/L (= EPA MCL).
Measured in: Sparkling Mineral Water
Total ColiformNDnone found
Not detected
Measured in: Sparkling Mineral Water
Total TrihalomethanesNDof 80 ppb
Not detectedFDA bottled-water Standard of Quality, 21 CFR 165.110(b)(4)(iii) — 0.080 mg/L total trihalomethanes (= EPA Stage 1 DBP MCL). CORRECTED 2026-09-24 from 10 ppb: 0.010 mg/L is the BROMATE limit, not TTHM's.
Measured in: Sparkling Mineral Water
Total XylenesNDnone found
Not detected
Measured in: Sparkling Mineral Water
ToxapheneNDnone found
Not detected
Measured in: Sparkling Mineral Water
trans-1,2-dichloroethyleneNDnone found
Not detected
Measured in: Sparkling Mineral Water
trans-1,3-dichloropropeneNDnone found
Not detected
Measured in: Sparkling Mineral Water
TrichloroethyleneNDnone found
Not detected
Measured in: Sparkling Mineral Water
TrichlorofluoromethaneNDnone found
Not detected
Measured in: Sparkling Mineral Water
Vinyl ChlorideNDnone found
Not detected
Measured in: Sparkling Mineral Water
ZincNDof 5 ppm
Not detectedFDA bottled-water Standard of Quality (secondary/aesthetic), 21 CFR 165.110(b) — 5 mg/L
Measured in: Sparkling Mineral Water