Water quality

Items

Measured value including estimated ones [29] [58]

WHO Standard

(including proposal)

Judgement

Remarks

Na⁺ (mg/L)

2900 (Estimated)

―

○

Mg²⁺ (mg/L)

1290 (Estimated)

―

○

Ca²⁺ (mg/L)

412 (Estimated)

―

○

K⁺ (mg/L)

399 (Estimated)

UnConfigured

―

○

New

Sr²⁺ (mg/L)

7.9 (Estimated)

UnConfigured

―

○

New

Cd²⁺ (ng/L)

0 - 82 (Estimated)

<3000

○

Hg²⁺ (ng/L)

0 - 16 (Estimated)

<500

○

Br⁻ (mg/L)

0.673 (Estimated)

≤2.4

○

F ⁻ (mg/L)

0.013 (Estimated)

≤1.5

○

pH

7.5

―

○

Cl⁻ (mg/L)

5200 (Estimated)

―

○

TOC (mg/L)

1 - 7 (Estimated)

―

○

${\text{NO}}_2^{-}$ (mg/L)

≈0

≤0.04

○

[provided] Rainwater addition

${\text{NO}}_2^{-}+{\text{NO}}_3^{-}$ (mg/L)

0.3

≤10

○

No. of General Bacteria (CFU/mL)

13

≤100

○

No. of Colitics Germ Logions (CFU/mL)

ND

ND

○

No. of Vibrio vulnificus (CFU/mL)

0 - 100 (Estimated)

ND

○

Bisphenol A (μg/L)

0.045 (Estimated)

125

○

Norovirus (copy/L)

6 - 170 (Estimated)

ND

○

[provided]

Ethanol addition

Ref. [59]

SARS-CoV-2 (copy/L)

9 - 41 (Estimated)

ND

○

"

Ref. [23]

SARS-CoV (copy/L)

〃

ND

○

"

Ref. [60]

MERS-CoV (copy/L)

〃

ND

○

"

Ref. [60]

Flu Virus (MPN/mL)

5 - 79 (Estimated)

ND

○

"

Ref. [61]