Attachment 4_Water Analysis.pdf
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- Attached to
- Renovation of High Reservoir #2
- Solicitation number
- W564KV26BA003
About this file
This is a water quality laboratory report from the DPW Baumholder Water Laboratory documenting chemical, physical, and bacteriological analyses of four water storage tanks (Hochbehälter 1-4) conducted in March 2026.
The report presents comprehensive water quality testing data collected on four sampling dates: March 2, 9, 16, and 23, 2026, from tanks 8442, 8444, 8355, and 8445 respectively. Physical parameters tested include water temperature, electrical conductivity, redox potential, turbidity, pH, and color. Chemical analysis encompasses free and total chlorine, alkalinity measurements, water hardness, and dissolved minerals including iron, calcium, chloride, sulfate, nitrate, nitrite, phosphate, and fluoride. All measured values remain within acceptable regulatory limits, with chlorine levels ranging from 0.62-0.95 mg/L, pH consistently at 8.27-8.28, and turbidity below 0.30 TE/F. Bacteriological testing using IDEXX Colisure and Sim Plate methods detected no total coliforms, fecal coliforms, or unspecified colonies across all four samples, with heterotrophic plate counts below 0.2 MPN per mL. All samples were collected by personnel identified as RB/RS between 10:05 and 10:45 hours, with bacteriological samples processed between 11:15 and 13:00 hours. The results indicate the water supply meets established potability and safety standards.
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DPW Baumholder, Water Laboratory Building #9870 A Saarstrasse 201, 55768 Hoppstädten - Weiersbach
DSN 314-531-3226
A= Hochbehälter 1 8442 02.03.2026 B= Hochbehälter 2 8444 09.03.2026 C= Hochbehälter 3 8355 16.03.2026 D= Hochbehälter 4 8445 23.03.2026 E=
A B C D E
Probennahme Datum 02.03.2026 09.03.2026 16.03.2026 23.03.2026 Zeit 10:20 10:05 10:40 10:45 durch RB/RS RB/RS RB/RS RB/RS
Glasflasche Probennummer HB1 HB2 HB3 HB4
Aussehen Farbe, visual farblos f.farblos farblos farblos
Trübung, visual / f.klar f.klar f.klar f.klar
Geruch qualitativ n.Chlor n.Chlor n.Chlor n.Chlor
Physikalisch Wassertemperatur °C 7.3 7.8 7.3 8.5 Elektrische Leitfähigkeit (max 2000μS/cm) μS/cm 203 196 200 195 Redox-Spannung mV 622 588 625 603 Färbung (max.20 Pt mg/l) Pt mg/L 0 2 0 0 Trübung (Streulicht) (max. 1 FNU) TE/F 0.16 0.15 0.15 0.30 pH-Wert (6.5-9.5) / 8.28 8.28 8.27 8.28 bei Temperatur von °C 11.7 13.0 10.6 12.2
Chemisch Chlor, frei Cl2 mg/L 0.62 0.86 0.77 0.68 Chlor, gesamt Cl2 mg/L 0.73 0.95 0.79 0.69 p-wert (Säurek. bis pH 8.2) mmol/L 0 0 0 / m-Wert (Säurek. bis pH 4,3) mmol/L 1.10 1.10 1.10 1.10 Gesamthärte °dH 4.14 4.17 4.29 4.08 Karbonathärte °dH 3.08 3.08 3.08 3.08 Nichtkarbonathärte °dH 1.06 1.09 1.21 1.00 Gebundene Kohlensäure mg/L 24.2 24.2 24.2 24.2 Eisen (max 0.200 mg/l) mg/L 0.02 0.01 0.02 0.02 Calcium (max 400 mg/l) mg/L 22.1 22.1 24.6 24.2 Chlorid als CL mg/L 17 18 16 16 Sulfat als SO4 (max 240 mg/l) mg/L 11 11 3 13 Nitrat als NO3 (max 44 mg/l) mg/L 6.3 6.1 6.3 5.7 Nitrit als NO2 (max 0.1 mg/l) mg/L 0.010 0.014 0.016 0.019 Phosphat als PO4 mg/L 0.79 0.76 0.83 0.71 Fluorid als F (0.70 mg/l) mg/L / / 0.84 /
DPW Baumholder
Hochbehälter 2 8444 09.03.2026
09.03.2026
RB/RS
10:05
HB2
f.farblos f.klar n.Chlor
B
7.8
0.15
13.0 8.28
0.86 0.95
1.10
4.17 3.08 1.09 24.2 0.01 22.1
6.1
0.014 0.76
DPW Baumholder, Water Laboratory Building #9870 A Saarstrasse 201, 55768 Hoppstädten - Weiersbach
DSN 314-531-3226
A= Hochbehälter 1 8442 02.03.2026 B= Hochbehälter 2 8444 09.03.2026 C= Hochbehälter 3 8355 16.03.2026 D= Hochbehälter 4 8445 23.03.2026 E=
A B C D E
Bakteriolgische Flasche # 2026.03_C01 2026.03_C08 2026.03_C17 2026.03_C21
Bakteriolgische Identifikationsnummer 2026.03_C01 2026.03_C08 2026.03_C17 2026.03_C21
Bakteriologischer Zeit 11:50 11:15 11:50 13:00 Probenansatz durch RB RB RB RB
IDEXX Colisure Test
Gesamt-Coliforme Keime, bei 35°C, nach 24h presence (P)/Absence (A) per 100mL
A A A A
(Escherichia) Fäkal-Coliforme durch hellblaue Fluoreszenz im UV-Licht, bei 35°C, nach 24h per 100mL
Nicht spezifizierte Kolonien (BACK GROWTH) per 100mL
Sim Plate Test Methode für HPC
MPN aus Tabelle (most probable number) pro mL Probe <0.2 <0.2 <0.2 <0.2
Bemerkungen:
DPW Baumholder
Hochbehälter 2 8444 09.03.2026B=
B
026.03_C0
2026.03_C08
11:15
RB
A
<0.2
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