Just tap water is safe to eat

Gunsan k-water quality test results

( April, 2020 )

Yongdam process water purification treatment process through the scientific safe and clean water

Water Source

【 Youngdam Front view 】

Water Treatment Process

intake Water  Place

Disinfection Place

Disinfection Place

Filtration Place

Sedimentation Place

Water supply

Home

Aggregation Place

Start Place

Mixed Place

Water treatment plant and reservoir inflow

K-water produces a monthly water quality test results in water suitable for drinking     water as the water is received is determined

○ Water sampling date : April 6, 2020

○ Test period : April 6, 2020  ~  May 8, 2020

No.	Test items	water standards	Test results		No.	Test items	water standards	Test results
			Water Plant	Gunsan water				Water Plant	Gunsan water
1	Bacteria	100CFU/㎖Less	0	0	31	1,2dibromo-3-chloropropane	0.003㎎/ℓLess	None	None
2	Total Coliforms	ND/100㎖	None	None	32	1,4-dioxane	0.05㎎/ℓLess	None	None
3	E.coli	ND/100㎖	None	None	33	Residual chlorine	4.0㎎/ℓLess	0.71	0.62
4	Pb	0.01㎎/ℓLess	None	None	34	Trihalomethanes	0.1㎎/ℓLess	0.018	0.019
5	F	1.5㎎/ℓLess	None	None	35	chloroform	0.08㎎/ℓLess	0.012	0.013
6	As	0.01㎎/ℓLess	None	None	36	bromodichloromethane	0.03㎎/ℓLess	0.006	0.006
7	Se	0.01㎎/ℓLess	None	None	37	dibromochloromethane	0.1㎎/ℓLess	None	None
8	Hg	0.001㎎/ℓLess	None	None	38	chloralhydrate	0.03㎎/ℓLess	0.0026	0.0040
9	CN	0.01㎎/ℓLess	None	None	39	Dibromoacetonitrile	0.1㎎/ℓLess	None	None
10	Cr	0.05㎎/ℓLess	None	None	40	Dichloroacetonitrile	0.09㎎/ℓLess	0.0015	0.0018
11	NH3-N	0.5㎎/ℓLess	None	None	41	Trichloroacetonitrile	0.004㎎/ℓLess	None	None
12	NO3-N	10㎎/ℓLess	1.3	1.3	42	Haloaceticacid	0.1㎎/ℓLess	0.029	0.032
13	Cd	0.005㎎/ℓLess	None	None	43	Formaldehyde	0.5㎎/ℓLess	None	None
14	B	1.0㎎/ℓLess	0.01	ND	44	Hardness	300㎎/ℓLess	35	35
15	Bromate	0.01㎎/ℓLess	None	None	45	Donsumption of ptas sium permanganate	10㎎/ℓLess	2.3	2.3
16	Phenol	0.005㎎/ℓLess	None	None	46	Smell	only the raw smell of disinfection	None	None
17	Diazinon	0.02㎎/ℓLess	None	None	47	Taste	only the raw taste of disinfection	None	None
18	Parathion	0.06㎎/ℓLess	None	None	48	Cu	1㎎/ℓLess	None	None
19	Fenitrothion	0.04㎎/ℓLess	None	None	49	Color	5 Less	1	None
20	Carbaryl	0.07㎎/ℓLess	None	None	50	ABS	0.5㎎/ℓLess	None	None
21	1.1.1-Trichloroethane	0.1㎎/ℓLess	None	None	51	PH	5.8 ~ 8.5	7.1	7.0
22	Tertachloroethylene	0.01㎎/ℓLess	None	None	52	Zn	3㎎/ℓLess	None	None
23	Trichloroethylene	0.03㎎/ℓLess	None	None	53	Cl-	250㎎/ℓLess	12.0	12.3
24	Dichloromethane	0.02㎎/ℓLess	None	None	54	Residue on evaporation	500㎎/ℓLess	55	55
25	Benzene	0.01㎎/ℓLess	None	None	55	Fe	0.3㎎/ℓLess	None	None
26	Toluene	0.7㎎/ℓLess	None	None	56	Mn	0.05㎎/ℓLess	None	None
27	Ethylbenzene	0.3㎎/ℓLess	None	None	57	Turbidity	0.5NTULess	0.06	0.06
28	Xylene	0.5㎎/ℓLess	None	None	58	SO42-	200㎎/ℓLess	6	7
29	1.1-Dichloroethylene	0.03㎎/ℓLess	None	None	59	Al	0.2㎎/ℓLess	None	None
30	Tetrchlorocarbon	0.002㎎/ℓLess	None	None	Test results			Suitable	Suitable
Test results			Suitable	Suitable

Plumbing Faucet

Every month 41 locations in tap water safety test results

○ Water sampling test : April 1, 2020 ~ April 6, 2020

○ Test period : April 1, 2020 ~ May 6, 2020

▶ Faucet

Bacteria (100CFU/㎖Less)		Totalcoliforms (ND/100㎖)		E.coli (ND/100㎖)		Residual chlorine (4.0mg/ℓLESS)
Average	Max	Average	Max	Average	Max	Average	Max
0	0	ND	ND	ND	ND	0.25	0.33

▶ After passing through a water tank faucet

Bacteria (100CFU/㎖Less)		Totalcoliforms (ND/100㎖)		E.coli (ND/100㎖)		Residual chlorine (4.0mg/ℓLESS)
Average	Max	Average	Max	Average	Max	Average	Max
0	0	ND	ND	ND	ND	0.21	0.28

▶ The end of the faucet

구 분	Bacteria (100CFU/mℓLess)	Totalcoliforms (ND/100mL)	E.coli (ND/100mL)	Residual chlorine (4.0 mg/ℓLess)	Fe (0.3 mg/ℓLess)	Cu (1 mg/ℓLess)	Zn (3 mg/ℓLess)	Mn (0.3 mg/ℓLess)	NH3-N (0.5 mg/ℓLess)	Cl- (250mg/ℓLess)
Average value	0	ND	ND	0.29	ND	ND	0.007	ND	ND	10.1
Maximum value	0	ND	ND	0.31	ND	ND	0.017	ND	ND	10.2

Contact water quality

♣ Counter complaints : Gunsan city water service section

♣ Complaints Phone : No area code 120times

☎ Adminstration 454-5352 Charge 454-5362

Water Mangement 454-5382 Water sector 454-5392, 5402, 5422

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