Measured by an independent lab and compared against published safety limits.
Nitrate3.7 ppmof 10 ppm
37% 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.
Fluoride0.58 ppmof 2 ppm
29% 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)
Uranium4.8 ppbof 30 ppb
16% of the limitFDA bottled-water Standard of Quality, 21 CFR 165.110(b) — 0.030 mg/L (= EPA MCL)
Bromate1 ppbof 10 ppb
10% of the limitFDA bottled-water Standard of Quality, 21 CFR 165.110(b) — 0.010 mg/L
Barium0.064 ppmof 2 ppm
3% of the limitFDA bottled-water Standard of Quality, 21 CFR 165.110(b) — 2 mg/L
Chromium2.7 ppbof 100 ppb
3% of the limitFDA bottled-water Standard of Quality, 21 CFR 165.110(b) — 0.1 mg/L total chromium (= EPA MCL)
Nickel2.4 ppbof 100 ppb
2% of the limitFDA bottled-water Standard of Quality, 21 CFR 165.110(b) — 0.1 mg/L
Chloramine0.05 ppmof 4 ppm
1% of the limitFDA bottled-water residual-disinfectant limit, 21 CFR 165.110(b)(4)(iii) — chloramine 4.0 mg/L as Cl2 (= EPA MRDL).
Bromide28 ppbfound
Detected · no published limit
Chlorine50 ppbfound
Detected · no published limit
1,1-dichloroethaneNDnone found
Not detected
1,1-dichloroethyleneNDnone found
Not detected
1,1,1-trichloroethaneNDnone found
Not detected
1,1,2-trichloroethaneNDnone found
Not detected
1,1,2-trichlorotrifluoroethaneNDnone found
Not detected
1,1,2,2-tetrachloroethaneNDnone found
Not detected
1,2-dibromo-3-chloropropaneNDnone found
Not detected
1,2-dichlorobenzeneNDnone found
Not detected
1,2-dichloroethaneNDnone found
Not detected
1,2-dichloropropaneNDnone found
Not detected
1,2,4-trichlorobenzeneNDnone found
Not detected
1,3-dichlorobenzeneNDnone found
Not detected
1,4-dichlorobenzeneNDnone found
Not detected
11-chloroeicosafluoro-3-oxaundecane-sulfonic AcidNDnone found
Not detected
2,3,7,8-tcddNDnone found
Not detected
2,4-dNDnone found
Not detected
2,4,5-tpNDnone found
Not detected
4,8-dioxa-3h-perfluorononanoic Acid (Adona)NDnone found
Not detected
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic AcidNDnone found
Not detected
AlachlorNDnone found
Not detected
AldicarbNDnone found
Not detected
Aldicarb SulfoneNDnone found
Not detected
Aldicarb SulfoxideNDnone found
Not detected
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.
AntimonyNDof 6 ppb
Not detectedFDA bottled-water Standard of Quality, 21 CFR 165.110(b) — 0.006 mg/L
ArsenicNDof 10 ppb
Not detectedFDA bottled-water Standard of Quality, 21 CFR 165.110(b) — 0.010 mg/L (= EPA MCL)
AsbestosNDnone found
Not detected
AtrazineNDnone found
Not detected
BentazonNDnone found
Not detected
BenzeneNDnone found
Not detected
Benzo(a)PyreneNDnone found
Not detected
BerylliumNDof 4 ppb
Not detectedFDA bottled-water Standard of Quality, 21 CFR 165.110(b) — 0.004 mg/L
Bis (2-ethylhexyl) AdipateNDnone found
Not detected
BoronNDnone found
Not detected
CadmiumNDof 5 ppb
Not detectedFDA bottled-water Standard of Quality, 21 CFR 165.110(b) — 0.005 mg/L
CarbofuranNDnone found
Not detected
Carbon TetrachlorideNDnone found
Not detected
ChlordaneNDnone found
Not detected
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).
ChloriteNDnone found
Not detected
ChlorobenzeneNDnone found
Not detected
cis-1,2-dichloroetheneNDnone found
Not detected
CopperNDof 1 ppm
Not detectedFDA bottled-water Standard of Quality (secondary), 21 CFR 165.110(b) — 1 mg/L
CyanideNDof 200 ppb
Not detectedFDA bottled-water Standard of Quality, 21 CFR 165.110(b) — 0.2 mg/L
DalaponNDnone found
Not detected
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).
DinosebNDnone found
Not detected
DiquatNDnone found
Not detected
EndothallNDnone found
Not detected
EndrinNDnone found
Not detected
EthylbenzeneNDnone found
Not detected
Ethylene DibromideNDnone found
Not detected
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.
Haloacetic Acids (Haa5)NDnone found
Not detected
HeptachlorNDnone found
Not detected
Heptachlor EpoxideNDnone found
Not detected
HexachlorobenzeneNDnone found
Not detected
HexachlorocyclopentadieneNDnone found
Not detected
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.
IronNDof 300 ppb
Not detectedFDA bottled-water Standard of Quality (secondary/aesthetic), 21 CFR 165.110(b) — 0.3 mg/L
LeadNDof 5 ppb
Not detectedFDA bottled-water Standard of Quality, 21 CFR 165.110(b) — 0.005 mg/L
LindaneNDnone found
Not detected
ManganeseNDof 50 ppb
Not detectedFDA bottled-water Standard of Quality (secondary/aesthetic), 21 CFR 165.110(b) — 0.05 mg/L
MercuryNDof 2 ppb
Not detectedFDA bottled-water Standard of Quality, 21 CFR 165.110(b) — 0.002 mg/L
MethoxychlorNDnone found
Not detected
Methyl tert-Butyl EtherNDnone found
Not detected
Methylene ChlorideNDnone found
Not detected
MolinateNDnone found
Not detected
n-Ethyl Perfluorooctanesulfonamidoacetic AcidNDnone found
Not detected
n-Methyl Perfluorooctanesulfonamidoacetic AcidNDnone found
Not detected
NaphthaleneNDnone found
Not detected
NitriteNDof 1 ppm
Not detectedFDA bottled-water Standard of Quality, 21 CFR 165.110(b) — 1 mg/L as N
OxamylNDnone found
Not detected
PentachlorophenolNDnone found
Not detected
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.
Perfluorobutanesulfonic AcidNDnone found
Not detected
Perfluorodecanoic AcidNDnone found
Not detected
Perfluorododecanoic AcidNDnone found
Not detected
Perfluoroheptanoic Acid (Pfhpa)NDnone found
Not detected
Perfluorohexanesulfonic AcidNDnone found
Not detected
Perfluorohexanoic AcidNDnone found
Not detected
Perfluorononanoic AcidNDnone found
Not detected
Perfluorooctanesulfonic Acid (PFOS)NDof 4 ppt
Not detectedEPA National Primary Drinking Water Regulation for PFAS (2024) — MCL 4.0 ng/L
Perfluorooctanoic Acid (PFOA)NDof 4 ppt
Not detectedEPA National Primary Drinking Water Regulation for PFAS (2024) — MCL 4.0 ng/L
Perfluorotetradecanoic AcidNDnone found
Not detected
Perfluorotridecanoic AcidNDnone found
Not detected
Perfluoroundecanoic AcidNDnone found
Not detected
PhenolsNDnone found
Not detected
PicloramNDnone found
Not detected
Polychlorinated BiphenylsNDnone found
Not detected
SeleniumNDof 50 ppb
Not detectedFDA bottled-water Standard of Quality, 21 CFR 165.110(b) — 0.05 mg/L (= EPA MCL)
SilverNDof 100 ppb
Not detectedFDA bottled-water Standard of Quality (secondary), 21 CFR 165.110(b) — 0.1 mg/L
SimazineNDnone found
Not detected
StyreneNDnone found
Not detected
TetrachloroethyleneNDnone found
Not detected
ThalliumNDof 2 ppb
Not detectedFDA bottled-water Standard of Quality, 21 CFR 165.110(b) — 0.002 mg/L
ThiobencarbNDnone found
Not detected
TolueneNDof 1 ppm
Not detectedFDA bottled-water Standard of Quality, 21 CFR 165.110(b) — toluene 1 mg/L (= EPA MCL).
Total ColiformNDnone found
Not detected
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.
Total XylenesNDnone found
Not detected
ToxapheneNDnone found
Not detected
trans-1,2-dichloroethyleneNDnone found
Not detected
trans-1,3-dichloropropeneNDnone found
Not detected
TrichloroethyleneNDnone found
Not detected
TrichlorofluoromethaneNDnone found
Not detected
Vinyl ChlorideNDnone found
Not detected
ZincNDof 5 ppm
Not detectedFDA bottled-water Standard of Quality (secondary/aesthetic), 21 CFR 165.110(b) — 5 mg/L