Environmental Engineering Reference
In-Depth Information
Table 12.5 German drinking water maximum concentration level for indicator parameters
(Bundesgesetzblatt
2011
)
Indicator parameters
Parameter
Unit
MCL(mg/l)
Aluminum
mg/L
0.2
Ammonium
mg/L
0.5
Chloride
mg/L
250
Clostridium perfringens (includ-
ing spores)
Number/100 ml
0
Coliform bacteria
Number/100 ml
0
Iron
mg/L
0.2
Staining (Spectral absorption
coefficient at 436 nm)
1/m
0.5
Odor
ton
3 at 23
°
C
Taste
Acceptable to consumers and
no abnormal change
Colony count at 22
°
C
No abnormal change
Colony count at 36
°
C
No abnormal change
Electrical conductivity
µ
S/cm at 25
°
C
2790
Manganese
mg/L
0.05
Sodium
mg/L
200
Organic carbon
mg/L
No abnormal change
Oxidizability
mg/L O
2
demand
5
Sulfate
mg/L
250
Cloudiness
Nephelometric turbid-
ity units (NTU)
1
Hydrogen ion concentration
pH units
6.5 to 9.5
Calcite
mg/L CaCO
3
5
Tritium
Bq/L
100
Total indicative dose
mSv/year
0.1
References
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2347
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