The Water Quality of Revitalized Ponds in the Czech Republic Post-Mining Area †
Abstract
:1. Introduction
2. Materials and Methods
2.1. Study Area
2.2. Sampling
2.3. Measurements
2.4. Data Analysis
3. Results and Discussion
3.1. Water Quality Assessment in Accordance with GR No. 401/2015 Coll.
3.2. Water Quality Assessment in Accordance with the Standard ČSN 75 7221
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Quality Indicator | Unit | Quality Classes | ||||
---|---|---|---|---|---|---|
I | II | III | IV | V | ||
Electrical conductivity | mS/m | <40 | <70 | <110 | <160 | ≥160 |
DO | mg/L | >8.5 | >7.5 | >6 | >4 | ≥4 |
N-NO3− | mg/L | <3 | <6 | <10 | <13 | ≥13 |
N-NH4+ | mg/L | <0.3 | <0.7 | <2 | <4 | ≥4 |
PTOT | mg/L | <0.05 | <0.15 | <0.4 | <1 | ≥1 |
BOD | mg/L | <2 | <4 | <8 | <15 | ≥15 |
COD | mg/L | <15 | <25 | <45 | <60 | ≥60 |
Chlorophyll-a | µg/L | <10 | <25 | <50 | <100 | ≥100 |
Mn | µg/L | <100 | <300 | <500 | <800 | ≥800 |
Zn | µg/L | <15 | <50 | <100 | <200 | ≥200 |
CuTOT | µg/L | <5 | <15 | <30 | <60 | ≥60 |
Fe | µg/L | <500 | <1000 | <2000 | <3000 | ≥3000 |
Cr | µg/L | <5 | <15 | <35 | <70 | ≥70 |
CdTOT | µg/L | <0.1 | <0.5 | <1 | <2 | ≥2 |
Co | µg/L | <1.5 | <3 | <6 | <12 | ≥12 |
NiTOT | µg/L | <3 | <6 | <12 | <40 | ≥40 |
PbTOT | µg/L | <3 | <8 | <15 | <30 | ≥30 |
Quality Indicator | Unit | Number of Determinations | Arithmetic Mean | Median | C90 | Quality Class | Total Classification |
---|---|---|---|---|---|---|---|
SP1—Tributary of the Sušanka River | |||||||
Electrical conductivity | mS/m | 12 | 71.36 | 75.45 | 80.79 | III | III |
DO | mg/L | 12 | 9.87 | 10.15 | 6.35 | III | |
N-NO3− | mg/L | 12 | 0.74 | 0.42 | 1.65 | I | |
N-NH4+ | mg/L | 12 | 0.32 | 0.26 | 0.34 | III | |
PTOT | mg/L | 12 | 0.11 | 0.10 | 0.14 | II | |
BOD | mg/L | 12 | 3.56 | 3.21 | 5.45 | III | |
COD | mg/L | 12 | 19.04 | 13.00 | 29.03 | III | |
Chlorophyll-a | µg/L | 7 | 0.26 | 0.29 | 0.59 * | I | |
Mn | µg/L | 12 | 84.58 | 88.50 | 119.58 | II | |
Zn | µg/L | 12 | 32.25 | 22.5 | 55.52 | III | |
CuTOT | µg/L | 12 | 7.75 | 5.00 | 5.00 | II | |
Fe | µg/L | 12 | 184.58 | 139.50 | 332.38 | I | |
SP2—Pond No. 1 | |||||||
Electrical conductivity | mS/m | 12 | 66.55 | 69.50 | 70.54 | III | IV |
DO | mg/L | 12 | 8.91 | 8.95 | 7.03 | III | |
N-NO3− | mg/L | 12 | 0.10 | 0.11 | 0.17 | I | |
N-NH4+ | mg/L | 12 | 0.28 | 0.28 | 0.37 | II | |
PTOT | mg/L | 12 | 0.13 | 0.13 | 0.22 | III | |
BOD | mg/L | 12 | 4.09 | 3.95 | 5.76 | III | |
COD | mg/L | 12 | 28.27 | 24.32 | 41.46 | III | |
Chlorophyll-a | µg/L | 7 | 39.62 | 37.02 | 64.02 * | IV | |
Mn | µg/L | 12 | 27.25 | 14.00 | 35.14 | I | |
Zn | µg/L | 12 | 31.83 | 18.00 | 44.94 | II | |
CuTOT | µg/L | 12 | 10.41 | 5.00 | 10.68 | II | |
Fe | µg/L | 12 | 60.83 | 41.5 | 119.90 | I |
Quality Indicator | Unit | Number of Determinations | Arithmetic Mean | Median | C90 | Quality Class | Total Classification |
---|---|---|---|---|---|---|---|
SP3—Pond No. 2 | |||||||
Electrical conductivity | mS/m | 12 | 60.63 | 61.35 | 63.26 | II | IV |
DO | mg/L | 12 | 9.34 | 9.00 | 7.04 | III | |
N-NO3− | mg/L | 12 | 0.08 | 0.06 | 0.14 | I | |
N-NH4+ | mg/L | 12 | 0.31 | 0.30 | 0.39 | II | |
PTOT | mg/L | 12 | 0.10 | 0.08 | 0.17 | III | |
BOD | mg/L | 12 | 6.17 | 6.07 | 9.19 | IV | |
COD | mg/L | 12 | 33.86 | 27.00 | 58.76 | IV | |
Chlorophyll-a | µg/L | 7 | 71.52 | 82.63 | 97.42 * | IV | |
Mn | µg/L | 12 | 39.25 | 18.50 | 73.62 | I | |
Zn | µg/L | 12 | 23.58 | 14.00 | 48.90 | II | |
CuTOT | µg/L | 12 | 8.50 | 5.00 | 14.14 | II | |
Fe | µg/L | 12 | 98.16 | 90.00 | 145.68 | I | |
SP4—Sušanka River outflow | |||||||
Electrical conductivity | mS/m | 12 | 66.27 | 64.51 | 75.44 | III | IV |
DO | mg/L | 12 | 10.36 | 10.65 | 6.90 | III | |
N-NO3− | mg/L | 12 | 0.48 | 0.20 | 1.19 | I | |
N-NH4+ | mg/L | 12 | 0.39 | 0.33 | 0.51 | III | |
PTOT | mg/L | 12 | 0.48 | 0.20 | 1.19 | I | |
BOD | mg/L | 12 | 5.68 | 3.70 | 12.32 | IV | |
COD | mg/L | 12 | 31.70 | 32.67 | 55.84 | IV | |
Chlorophyll-a | µg/L | 7 | 71.28 | 76.11 | 88.71 * | IV | |
Mn | µg/L | 12 | 81.41 | 90.50 | 123.20 | II | |
Zn | µg/L | 12 | 32.83 | 29.50 | 60.00 | III | |
CuTOT | µg/L | 12 | 6.83 | 5.00 | 5.92 | II | |
Fe | µg/L | 12 | 239.41 | 211.50 | 410.70 | I |
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Malíková, P.; Chromíková, J. The Water Quality of Revitalized Ponds in the Czech Republic Post-Mining Area. Eng. Proc. 2023, 57, 8. https://doi.org/10.3390/engproc2023057008
Malíková P, Chromíková J. The Water Quality of Revitalized Ponds in the Czech Republic Post-Mining Area. Engineering Proceedings. 2023; 57(1):8. https://doi.org/10.3390/engproc2023057008
Chicago/Turabian StyleMalíková, Petra, and Jitka Chromíková. 2023. "The Water Quality of Revitalized Ponds in the Czech Republic Post-Mining Area" Engineering Proceedings 57, no. 1: 8. https://doi.org/10.3390/engproc2023057008